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2131-31-9

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2131-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2131-31-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,3 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2131-31:
(6*2)+(5*1)+(4*3)+(3*1)+(2*3)+(1*1)=39
39 % 10 = 9
So 2131-31-9 is a valid CAS Registry Number.

2131-31-9Downstream Products

2131-31-9Relevant articles and documents

DERIVATIVES OF L-ASPARTIC ACID-BETA-TERT.-BUTYL ESTER.

WUENSCH,ZWICK

, p. 108 - 113 (2007/10/05)

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