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80870-36-6

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80870-36-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80870-36-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,8,7 and 0 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 80870-36:
(7*8)+(6*0)+(5*8)+(4*7)+(3*0)+(2*3)+(1*6)=136
136 % 10 = 6
So 80870-36-6 is a valid CAS Registry Number.

80870-36-6Relevant articles and documents

Amino Acids and Peptides, 63. - Peptide Synthesis via N- or O-Activation of Amino Acids with 1,2-Dihydro-4,6-dimethyl-2-thioxo-3-pyridinecarbonitrile. - Synthesis of the 8-11 Tetrapeptide Sequence of Cyclosporin

Schmidt, Ulrich,Potzolli, Bernd

, p. 935 - 942 (2007/10/02)

Peptides and N-methyl peptides have been prepared in high yields and nearly free of racemisation via N-activation (Scheme 1) or O-activation (Scheme 2) of N-acylamino acids and N-acyl-N-methylamino acids, respectively, by 1,2-dihydro-4,6-dimethyl-2-thioxo

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