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(6R)-3-acetoxymethyl-7t-((R)-2-tert-butoxycarbonylamino-2-phenyl-acetylamino)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2ξ-carboxylic acid benzhydryl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71531-12-9

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71531-12-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71531-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,3 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 71531-12:
(7*7)+(6*1)+(5*5)+(4*3)+(3*1)+(2*1)+(1*2)=99
99 % 10 = 9
So 71531-12-9 is a valid CAS Registry Number.

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