Chemical Summary Ketorolac 66635 83 4
**Chemical Summary Ketorolac 66635 83 4: An In-Depth Look at Its Properties and
Applications**
chemical summary ketorolac 66635 83 4 serves as a foundational guide for
understanding this important pharmaceutical compound. Ketorolac, identified by the CAS
number 66635-83-4, is a nonsteroidal anti-inflammatory drug (NSAID) widely used for its
potent analgesic and anti-inflammatory effects. This article aims to provide a
comprehensive and natural overview of ketorolac’s chemical characteristics, mechanism
of action, clinical uses, and safety profile, weaving in related terms and concepts to enrich
your understanding.
Understanding Ketorolac: The Basics
Ketorolac tromethamine, often referred to simply as ketorolac, is a synthetic NSAID with a
strong ability to reduce pain and inflammation. Its chemical structure and properties are
crucial for its effectiveness and pharmacological profile. By delving into the chemical
summary ketorolac 66635 83 4, we gain insights into why this compound is favored in
clinical settings, especially for short-term management of moderate to severe pain.
Chemical Structure and Molecular Details
Ketorolac’s chemical formula is C15H13NO3, with the CAS registry number 66635-83-4
serving as its unique identifier in chemical databases worldwide. The molecule features a
pyrrolizine carboxylic acid core, making it part of the heterocyclic compound family. This
structure is essential for its interaction with cyclooxygenase (COX) enzymes, which
ketorolac inhibits to produce its analgesic effects.
Some key chemical attributes include:
Molecular weight: approximately 255.27 g/mol
Physical state: crystalline powder in its pure form
Solubility: moderately soluble in water, highly soluble in organic solvents like
ethanol
The specific arrangement of functional groups in ketorolac, such as the carboxylic acid
moiety, allows it to bind effectively to COX enzymes, distinguishing it from other NSAIDs.
This interaction plays a central role in reducing prostaglandin synthesis, which mediates
pain and inflammation.
Mechanism of Action: How Ketorolac Works
Delving deeper into the chemical summary ketorolac 66635 83 4 naturally leads us to its
mechanism of action. Ketorolac’s primary therapeutic effect stems from its inhibition of
cyclooxygenase enzymes—specifically COX-1 and COX-2. These enzymes catalyze the
conversion of arachidonic acid to prostaglandins, which promote inflammation, pain, and
fever.
By binding reversibly to COX enzymes, ketorolac reduces the production of
prostaglandins, leading to:
Alleviation of inflammation at the site of injury or surgical trauma
Reduction in pain signals transmitted to the brain
Lowered fever in some cases due to diminished pyrogenic prostaglandins
Unlike opioids, ketorolac does not act on the central nervous system’s opioid receptors,
which reduces risks of dependency and respiratory depression. However, its potent
inhibition of COX-1 is also linked to some of its adverse effects, such as gastrointestinal
irritation.
Relevance of Ketorolac’s Chemical Properties to Its Function
The chemical nature of ketorolac allows it to cross biological membranes effectively,
which is critical for rapid onset of action. Its relatively small molecular size and moderate
lipophilicity facilitate absorption after oral or intramuscular administration.
Additionally, the presence of the acidic carboxyl group enhances its ability to interact with
enzyme active sites, making it a strong competitive inhibitor. These chemical features
underpin ketorolac’s high efficacy in managing acute pain, especially post-operative pain
where quick relief is essential.
Clinical Applications and Uses
Understanding the chemical summary ketorolac 66635 83 4 extends to how this
compound is utilized in medical practice. Ketorolac is primarily prescribed for short-term
management of moderate to severe pain, especially when opioids are either
contraindicated or undesirable.
Common Indications for Ketorolac Use
Due to its potent analgesic effects, ketorolac is often employed in scenarios such as:
Postoperative pain relief following surgeries like dental extraction, orthopedic
1.
procedures, or abdominal surgery
Acute musculoskeletal pain including sprains, strains, and injuries
2.
Management of renal colic and other visceral pain syndromes
3.
In hospital settings, ketorolac is available in multiple formulations, including oral tablets,
injectable solutions, and ophthalmic drops, the latter being used to reduce ocular
inflammation after surgery.
Dosage and Administration Insights
Given its chemical potency and pharmacodynamics, ketorolac is generally prescribed for
short durations—typically no more than five days—to minimize risks of adverse effects.
The dosing varies depending on the route of administration:
Oral: Usually 10 mg every 4 to 6 hours without exceeding 40 mg per day for adults
Intramuscular or intravenous: 15 to 30 mg every 6 hours, with a maximum daily
dose of 120 mg
Ophthalmic: Applied as per specific surgical protocols
It’s important to note that the chemical stability of ketorolac in different formulations
affects its shelf life and handling, making proper storage essential.
Safety Profile and Potential Side Effects
No discussion of the chemical summary ketorolac 66635 83 4 would be complete without
addressing safety considerations. While ketorolac is effective, its chemical action on COX
enzymes can lead to several side effects, especially with prolonged use.
Common and Serious Adverse Effects
Ketorolac’s inhibition of COX-1 reduces protective prostaglandins in the gastrointestinal
tract, which can result in:
Gastrointestinal irritation and ulcers
1.
Increased risk of bleeding due to platelet function inhibition
2.
Renal impairment, especially in patients with preexisting kidney conditions or
3.
dehydration
Other possible side effects include headache, dizziness, and hypersensitivity reactions.
Because of these risks, ketorolac is contraindicated in patients with active peptic ulcer
disease, renal failure, or those at high risk of bleeding.
Precautions and Drug Interactions
Due to its chemical and pharmacological profile, ketorolac should be used cautiously
alongside:
Anticoagulants, which increase bleeding risk
Other NSAIDs or corticosteroids, which can enhance gastrointestinal toxicity
Certain antihypertensive drugs, as ketorolac may reduce their effectiveness
Healthcare providers often consider these interactions when prescribing ketorolac,
ensuring safe use aligned with the patient’s overall medication regimen.
Environmental and Chemical Handling Considerations
From a chemical perspective, ketorolac 66635 83 4 requires careful handling in
manufacturing and laboratory environments. The compound should be stored in a cool,
dry place, protected from light to maintain its stability. During synthesis or formulation,
appropriate safety measures must be observed to avoid exposure and contamination.
Moreover, understanding its chemical degradation pathways is important for
pharmaceutical development, ensuring that ketorolac products retain potency throughout
their shelf life.
Advances in Ketorolac Formulations
Recent research has focused on enhancing ketorolac’s delivery and minimizing side
effects through novel formulations, such as:
Extended-release tablets to provide longer pain control with lower peak plasma
concentrations
Nanoparticle-based delivery systems aimed at targeted action with reduced
systemic exposure
Combination therapies that leverage ketorolac’s anti-inflammatory effects with
complementary agents
These innovations are grounded in a thorough grasp of ketorolac’s chemical structure and
behavior, highlighting the importance of the chemical summary ketorolac 66635 83 4 in
pharmaceutical science.
Exploring ketorolac through the lens of its chemical summary 66635 83 4 reveals the
intricate balance between its molecular properties and therapeutic applications. This
compound’s ability to effectively manage pain while presenting manageable risks makes
it a vital tool in modern medicine, especially when used thoughtfully and with respect to
its chemical nature. Whether you are a healthcare professional, a researcher, or simply
curious about this NSAID, understanding its chemical foundation enriches appreciation for
its role in pain management.
Question
Answer
What is the chemical
name of Ketorolac
with CAS number
66635-83-4?
The chemical name of Ketorolac with CAS number 66635-83-4 is
(±)-5-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid.
What is the primary
use of Ketorolac
(CAS 66635-83-4)?
Ketorolac is primarily used as a nonsteroidal anti-inflammatory
drug (NSAID) for the short-term management of moderate to
severe pain.
What is the
molecular formula of
Ketorolac with CAS
66635-83-4?
The molecular formula of Ketorolac is C15H13NO3.
What are the
common routes of
administration for
Ketorolac (CAS
66635-83-4)?
Ketorolac can be administered orally, intramuscularly,
intravenously, or as eye drops.
What is the
mechanism of action
of Ketorolac (CAS
66635-83-4)?
Ketorolac works by inhibiting cyclooxygenase (COX-1 and COX-2)
enzymes, leading to decreased synthesis of prostaglandins,
which reduces inflammation and pain.
What are the
common side effects
of Ketorolac (CAS
66635-83-4)?
Common side effects include gastrointestinal issues such as
stomach pain, nausea, and ulcers, as well as dizziness and
headache.
Is Ketorolac (CAS
66635-83-4) safe for
long-term use?
No, Ketorolac is generally recommended for short-term use only,
typically not exceeding 5 days, due to risks of serious side
effects.
What precautions
should be taken
when using
Ketorolac (CAS
66635-83-4)?
Precautions include avoiding use in patients with active peptic
ulcers, bleeding disorders, kidney impairment, and those allergic
to NSAIDs.
What is the
molecular weight of
Ketorolac (CAS
66635-83-4)?
The molecular weight of Ketorolac is approximately 255.27
g/mol.
Can Ketorolac (CAS
66635-83-4) be used
during pregnancy?
Ketorolac is generally not recommended during pregnancy,
especially in the third trimester, due to potential risks to the
fetus and complications during delivery.
**Chemical Summary Ketorolac 66635 83 4: An In-Depth Review**
Chemical summary ketorolac 66635 83 4 serves as a foundational reference point for
understanding the pharmacological and chemical properties of ketorolac tromethamine, a
widely utilized nonsteroidal anti-inflammatory drug (NSAID). This compound, identifiable
by its unique CAS number 66635-83-4, plays a critical role in pain management and anti-
inflammatory therapies. A comprehensive exploration of ketorolac’s chemical profile
reveals not only its molecular structure and pharmacodynamics but also its clinical
applications, benefits, and limitations.
Understanding Ketorolac: Chemical and Pharmacological
Overview
Ketorolac tromethamine, represented chemically by CAS number 66635-83-4, is a potent
NSAID primarily employed for short-term management of moderate to severe pain. The
compound’s chemical structure includes a pyrrolizine carboxylic acid derivative, which
contributes to its mechanism of action by inhibiting cyclooxygenase (COX) enzymes. This
inhibition reduces prostaglandin synthesis, thereby alleviating inflammation and pain.
Its molecular formula, C15H13NO3, highlights the presence of aromatic rings and
functional groups essential to its bioactivity. The ketorolac molecule exists as a racemic
mixture, with the S-enantiomer largely responsible for its analgesic effects. The
compound’s solubility, stability, and pharmacokinetic profile are heavily influenced by this
stereochemistry, making it a subject of extensive chemical and clinical research.
Pharmacodynamics and Mechanism of Action
Ketorolac operates by non-selectively inhibiting both COX-1 and COX-2 isoenzymes. This
dual inhibition reduces the production of thromboxanes and prostaglandins, compounds
that mediate inflammation, fever, and pain. Unlike opioids, ketorolac does not directly
affect the central nervous system’s opioid receptors, making it a preferred alternative for
certain patient populations.
The chemical interactions that underpin this mechanism are rooted in the compound’s
acidic functional groups, which bind to the active sites of COX enzymes, blocking
substrate access. This interaction is crucial in diminishing the sensitization of nociceptors,
responsible for transmitting pain signals.
Clinical Applications and Usage Patterns
In clinical contexts, ketorolac 66635 83 4 is predominantly utilized for its analgesic and
anti-inflammatory properties. It is often administered postoperatively to manage acute
pain and can be delivered via oral, intramuscular, intravenous, or ophthalmic routes,
depending on the therapeutic need.
Advantages Over Other NSAIDs
**Potency:** Ketorolac’s analgesic effect is often compared to low-dose opioids,
offering significant pain relief without the risk of opioid dependency.
**Versatility:** The availability of multiple administration routes enhances its
applicability across different medical scenarios.
**Rapid Onset:** Intravenous and intramuscular forms provide quick pain relief,
which is beneficial in acute care settings.
Limitations and Risks
Despite its efficacy, ketorolac has limitations primarily related to its safety profile. The
inhibition of COX-1 can lead to adverse gastrointestinal effects, such as ulcers and
bleeding, particularly with prolonged use. Additionally, ketorolac is contraindicated in
patients with renal impairment or bleeding disorders due to its impact on platelet function
and renal blood flow.
Chemical Stability and Storage Considerations
From a chemical standpoint, ketorolac’s stability is influenced by factors such as pH,
temperature, and exposure to light. The compound is stable under acidic conditions but
may degrade when exposed to alkaline environments. Proper storage, typically in cool,
dry places away from direct sunlight, is essential to maintain its therapeutic efficacy.
Formulation Insights
Pharmaceutical formulations of ketorolac 66635 83 4 often include the tromethamine salt
to enhance solubility and bioavailability. This salt form improves dissolution rates in
aqueous environments, facilitating rapid onset of action. The development of ophthalmic
solutions and injectable forms also involves careful consideration of pH and osmolarity to
ensure patient safety and comfort.
Comparative Analysis with Related NSAIDs
Ketorolac’s chemical and therapeutic profile can be contrasted with other NSAIDs such as
ibuprofen, diclofenac, and naproxen. While all share the COX-inhibition mechanism,
ketorolac is distinguished by its relatively higher analgesic potency and shorter
recommended duration of use.
Ibuprofen: Generally used for mild to moderate pain with a longer safety profile for
1.
chronic use.
Diclofenac: Often prescribed for inflammatory conditions but associated with
2.
higher cardiovascular risks.
Naproxen: Has a longer half-life, making it suitable for chronic inflammatory
3.
diseases but less potent for acute severe pain.
In comparison, ketorolac’s chemical structure facilitates a more immediate and potent
analgesic effect but mandates strict adherence to dosing guidelines to mitigate risks.
Regulatory Status and Market Availability
Ketorolac 66635 83 4 holds approval from major regulatory bodies including the FDA and
EMA for specific indications. Its prescription status reflects recognition of its efficacy
balanced against potential adverse effects. The compound is marketed globally in various
formulations, with ongoing research aimed at optimizing its safety and expanding its
therapeutic uses.
Research and Development Trends
Recent scientific investigations focus on modifying ketorolac’s chemical structure to
minimize gastrointestinal toxicity while preserving analgesic efficacy. Nanotechnology-
based delivery systems and sustained-release formulations represent innovative
approaches to enhance patient compliance and treatment outcomes.
Emerging studies also explore ketorolac’s application in ophthalmology, where its anti-
inflammatory properties aid in managing postoperative inflammation and allergic
conjunctivitis.
Safety Profile and Monitoring
The clinical use of ketorolac necessitates vigilant monitoring for adverse effects,
particularly in vulnerable populations such as the elderly or those with preexisting renal or
cardiovascular conditions. Laboratory assessments often include renal function tests and
complete blood counts to detect early signs of toxicity.
Healthcare providers must weigh the therapeutic benefits against potential risks,
emphasizing patient education regarding dosage limits and symptom reporting.
The chemical summary ketorolac 66635 83 4 encapsulates a compound of significant
clinical value, characterized by a well-defined chemical structure and a potent
pharmacological profile. Its role within pain management paradigms continues to evolve
as research uncovers new facets of its efficacy and safety. Understanding the intricate
balance between its chemical properties and therapeutic applications is essential for
optimizing patient outcomes and advancing NSAID pharmacotherapy.
ketorolac, ketorolac tromethamine, NSAID, pain relief, anti-inflammatory, CAS 66635-83-4,
analgesic, cyclooxygenase inhibitor, pharmaceutical, drug summary
