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74554-03-3

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74554-03-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74554-03-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,5 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74554-03:
(7*7)+(6*4)+(5*5)+(4*5)+(3*4)+(2*0)+(1*3)=133
133 % 10 = 3
So 74554-03-3 is a valid CAS Registry Number.

74554-03-3Relevant 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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