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497967-74-5

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497967-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 497967-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,9,6 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 497967-74:
(8*4)+(7*9)+(6*7)+(5*9)+(4*6)+(3*7)+(2*7)+(1*4)=245
245 % 10 = 5
So 497967-74-5 is a valid CAS Registry Number.

497967-74-5Relevant articles and documents

α-Amino acids and dioxopiperazines crowned at the α-carbons with polyether macrorings. Synthesis, complexation and self-assembling properties

Bělohradsky, Martin,Císa?ová, Ivana,Holy, Petr,Pastor, Jan,Závada, Ji?í

, p. 8811 - 8823 (2007/10/03)

Crowned α-amino acids 7a-c and their dioxopiperazine derivatives 12a-c were prepared from the easily accessible masked tris(hydroxymethyl)aminomethane 1. X-Ray crystal structures of the free as well as alkali metal ion coordinated compounds were investigated.

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