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99822-22-7

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99822-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99822-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,2 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99822-22:
(7*9)+(6*9)+(5*8)+(4*2)+(3*2)+(2*2)+(1*2)=177
177 % 10 = 7
So 99822-22-7 is a valid CAS Registry Number.

99822-22-7Relevant articles and documents

AMINO ACIDS AS SYNTHONS FOR HETEROCYCLES. FORMATION OF 1,2,4-TRIAZINE DERIVATIVES

Smodis, Janez,Zupet, Rok,Petric, Andrej,Stanovnik, Branko,Tisler, Miha

, p. 393 - 405 (2007/10/02)

Transformation of the amino group of amino acids into an amidine and subsequent treatment with hydrazine leads to 1,2,4-triazine-6(1H)-ones.The method described is a new synthetic approach.Unsaturated amino acids gave imidazol-5-one derivatives after the

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