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Butorphan is a synthetic opioid analgesic and antitussive drug, chemically known as 4,5α-epoxy-3,14β-dimethyl-6,7-benzomorphinan. It is primarily used to treat moderate to severe pain and as a cough suppressant. Butorphanol has a unique mechanism of action, acting as a partial agonist at the μ-opioid receptor and an antagonist at the κ-opioid receptor, which results in reduced side effects such as respiratory depression and dependence compared to other opioids. It is available in various forms, including injectable, nasal spray, and tablet formulations, and is commonly used in veterinary medicine for pain management and sedation in animals.

4163-26-2

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4163-26-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4163-26-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,6 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4163-26:
(6*4)+(5*1)+(4*6)+(3*3)+(2*2)+(1*6)=72
72 % 10 = 2
So 4163-26-2 is a valid CAS Registry Number.

4163-26-2Upstream product

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