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16652-69-0

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16652-69-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16652-69-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,5 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16652-69:
(7*1)+(6*6)+(5*6)+(4*5)+(3*2)+(2*6)+(1*9)=120
120 % 10 = 0
So 16652-69-0 is a valid CAS Registry Number.

16652-69-0Relevant articles and documents

ONE-POT CYCLIZATION OF A PEPTIDE BY THE USE OF (5-NITROPYRIDYL)DIPHENYL PHOSPHINATE: THE SYNTHESIS OF CYCLIC DECAPEPTIDE GRAMICIDIN S

Mukaiyama, Teruaki,Kamekawa, Kenichi,Watanabe, Yutaka

, p. 1367 - 1370 (2007/10/02)

One-pot synthesis of gramicidin S, cyclic decapeptide, was successfully achieved by treatment of the corresponding linear decapeptide with (5-nitropyridyl)diphenyl phosphinate, a new condensing reagent, in pyridine.Similarly, the phosphinic ester can be successfully employed in the Young test as well as syntheses of dipeptides.

A proposal for using mild bases in the preparation of optically pure peptides.

Sakakibara,Ito

, p. 656 - 661 (2007/10/04)

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