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22892-24-6

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22892-24-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22892-24-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,9 and 2 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22892-24:
(7*2)+(6*2)+(5*8)+(4*9)+(3*2)+(2*2)+(1*4)=116
116 % 10 = 6
So 22892-24-6 is a valid CAS Registry Number.

22892-24-6Downstream Products

22892-24-6Relevant articles and documents

Lidak et al.

, (1968)

SYNTHESIS OF OPTICALLY ACTIVE 9-PURINYL-α-AMINO ACIDS

Poritere, S.E.,Shluke, Ya.Ya.,Lidak, M.Yu.,Kilevitsa, M.K.

, p. 1308 - 1313 (2007/10/02)

A general method for the synthesis of optically active 9-purinyl-α-amino acids by condensation of 5-amino-4,6-dichloropyrimidine with α,ω-diamino carboxylic acids and subsequent cyclization of the Nω-(5-amino-4-chloro-6-pyrimidinyl)-amino acids with triethyl orthoformate was developed.A number of 6-substituted α-amino-ω-(9-purinyl)carboxylic acids were obtained by nucleophilic substitution of the chlorine atom in the α-amino-ω-(6-chloro-9-purinyl)carboxylic acids.

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