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54965-23-0

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54965-23-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54965-23-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,6 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54965-23:
(7*5)+(6*4)+(5*9)+(4*6)+(3*5)+(2*2)+(1*3)=150
150 % 10 = 0
So 54965-23-0 is a valid CAS Registry Number.

54965-23-0Downstream Products

54965-23-0Relevant articles and documents

Preparation method of butorphanol tartrate and intermediate thereof

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Paragraph 0079-0082, (2021/01/15)

The invention provides a preparation method of butorphanol tartrate and an intermediate of butorphanol tartrate. The preparation method of the butorphanol tartrate and the intermediate of the butorphanol tartrate is mild in reaction condition, safe to operate and more suitable for large-scale production.

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