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71890-31-8

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71890-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71890-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,9 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 71890-31:
(7*7)+(6*1)+(5*8)+(4*9)+(3*0)+(2*3)+(1*1)=138
138 % 10 = 8
So 71890-31-8 is a valid CAS Registry Number.

71890-31-8Relevant articles and documents

NATURAL PEPTIDES AND THEIR ANALOGS XXI. SYNTHESIS OF PROTECTED PEPTIDES CORRESPONDING TO THE AMINO-ACID SEQUENCE 13-16 OF THE A CHAIN OF HUMAN INSULIN

Tikhonov, Yu. N.,Trifonova, O. I.,Baranova, G. V.,Malakhova, I. S.,Shvachkin, Yu. P.

, p. 371 - 374 (2007/10/02)

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