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(1S,2S,5R)-6,6-Difluoro-4-oxo-3-aza-bicyclo[3.1.0]hexane-2,3-dicarboxylic acid 3-tert-butyl ester 2-methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

201231-62-1

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201231-62-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201231-62-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,2,3 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 201231-62:
(8*2)+(7*0)+(6*1)+(5*2)+(4*3)+(3*1)+(2*6)+(1*2)=61
61 % 10 = 1
So 201231-62-1 is a valid CAS Registry Number.

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