53152-21-9 Usage
Description
Buprenorphine Hydrochloride is a certified reference material and an opioid that functions as a partial agonist of the μ-opioid receptor. It also acts, though less potently, at δand κ-opioid receptors. Buprenorphine is utilized in the treatment of opiate addiction, either alone or in combination with naloxone. It is available under the brand names Buprenex and Subutex and is intended for research and forensic applications.
Uses
Used in Pharmaceutical Industry:
Buprenorphine Hydrochloride is used as an active pharmaceutical ingredient for the treatment of opiate addiction. It acts as a partial agonist of the μ-opioid receptor, providing relief from withdrawal symptoms and reducing cravings for opioids.
Used in Research and Forensic Applications:
Buprenorphine Hydrochloride is used as a certified reference material in research and forensic applications. It helps in the development and validation of analytical methods, ensuring the accuracy and reliability of test results in various scientific and legal contexts.
Acquired resistance
Buprenorphine is 20 to 50 times more potent than morphine in producing an ED50 analgesic effect
in animal studies; however, it cannot produce an ED100 (compared to morphine) in these tests.
Thus, buprenorphine is a potent partial agonist at μ opioid receptors. It also is a partial agonist at κreceptors but more of an antagonist at δ receptors. Buprenorphine, at 0.4 mg intramuscular dose,
will produce the same degree of analgesia as 10 mg of morphine. Because of its partial agonist
properties, it has a lower ceiling on its analgesic action but also produces less severe respiratory
depression. It is incapable of producing tolerance and addiction comparable to full μ agonists. In
fact, buprenorphine's partial agonist action, very high affinity for opioid receptors, and high
lipophilicity combine to give buprenorphine a tolerance, addiction, and withdrawal profile that is
unique among the opioids. When given by itself to opioid-naive patients, little tolerance or addictive
potential (Schedule 5) is observed. A mild withdrawal can occur some 2 weeks after the last dose
of buprenorphine. Buprenorphine will precipitate withdrawal symptoms in highly addicted
individuals, but it will suppress symptoms in individuals who are undergoing withdrawal from
opioids. It effectively blocks the effect of high doses of heroin. Because of these properties,
buprenorphine has been approved for office-based use in treating opioid dependence. It also
has been reported to suppress cocaine use and addiction.
Biological Activity
ORL 1 receptor agonist that also displays mixed antagonist/partial agonist activity at κ , δ and μ -opioid receptors.
Biochem/physiol Actions
Full agonist at ORL1 receptors, antagonist or partial agonist at μ, κ, and δ opioid receptors.
Clinical Use
Buprenorphine undergoes extensive first-pass 3-O-glucuronidation, which negates its usefulness
after oral dose. It is available in parenteral and sublingual dosage forms. The typical dose is 0.3 to
0.6 mg three times per day by intramuscular injection for analgesia or 8 mg/day as a sublingual
tablet for opioid-dependence maintenance. The duration of analgesic effect is 4 to 6 hours. After
parenteral dose, approximately 70% of the drug is excreted in the feces, and the remainder
appears as N-dealkylated and conjugated metabolites in the urine.
Naloxone is not an effective antagonist to buprenorphine because of the latter's high binding
affinity to opioid receptors.
Check Digit Verification of cas no
The CAS Registry Mumber 53152-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,1,5 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 53152-21:
(7*5)+(6*3)+(5*1)+(4*5)+(3*2)+(2*2)+(1*1)=89
89 % 10 = 9
So 53152-21-9 is a valid CAS Registry Number.
InChI:InChI=1/C29H41NO4.ClH/c1-25(2,3)26(4,32)20-15-27-10-11-29(20,33-5)24-28(27)12-13-30(16-17-6-7-17)21(27)14-18-8-9-19(31)23(34-24)22(18)28;/h8-9,17,20-21,24,31-32H,6-7,10-16H2,1-5H3;1H/t20-,21-,24-,26+,27-,28+,29-;/m1./s1
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