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(2S,5S)-Pyrrolidine-1,2,5-tricarboxylic acid 1,2-dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139963-87-4

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139963-87-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139963-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,6 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139963-87:
(8*1)+(7*3)+(6*9)+(5*9)+(4*6)+(3*3)+(2*8)+(1*7)=184
184 % 10 = 4
So 139963-87-4 is a valid CAS Registry Number.

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