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221357-20-6

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221357-20-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221357-20-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,3,5 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 221357-20:
(8*2)+(7*2)+(6*1)+(5*3)+(4*5)+(3*7)+(2*2)+(1*0)=96
96 % 10 = 6
So 221357-20-6 is a valid CAS Registry Number.

221357-20-6Relevant articles and documents

New submonomers for poly N-substituted glycines (peptoids)

Uno, Tetsuo,Beausoleil, Eric,Goldsmith, Richard A.,Levine, Barry H.,Zuckermann, Ronald N.

, p. 1475 - 1478 (1999)

Five protected submonomers for peptoid synthesis were prepared, including N(in)-BOC-tryptamine, O-t-butyl tyramine, PMC-guanidino- propylamine, 6-amino-6-deoxy-D-galactopyranose diacetonide, and 5-amino-2,2- dimethyl-1,3-dioxane. The first three mimic nat

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