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(6R,7R) and (6S,7S)-7-(R-mandelamido)-3-trifluoromethyl-3-cephem-4-carboxylic acid (1:1 mixture) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

65766-08-7

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65766-08-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65766-08-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,7,6 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 65766-08:
(7*6)+(6*5)+(5*7)+(4*6)+(3*6)+(2*0)+(1*8)=157
157 % 10 = 7
So 65766-08-7 is a valid CAS Registry Number.

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