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225232-58-6

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225232-58-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 225232-58-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,5,2,3 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 225232-58:
(8*2)+(7*2)+(6*5)+(5*2)+(4*3)+(3*2)+(2*5)+(1*8)=106
106 % 10 = 6
So 225232-58-6 is a valid CAS Registry Number.

225232-58-6Relevant articles and documents

Chemo- and regioselective functionalization of uracil derivatives. Applications to the synthesis of oxypurinol and emivirine

Boudet, Nadege,Knochel, Paul

, p. 3737 - 3740 (2007/10/03)

A novel route for the synthesis of 4,5-difunctionalized uracils using a chemo- and regioselective bromine/magnesium exchange reaction on 5-bromo-4-halogeno-2,6-dimethoxypyrimidines has been developed. Applications to the synthesis of pharmaceuticals such as oxypurinol and emivirine are reported.

Regioselective alkylation and arylation at the 6-position of pyrimidine: Synthesis of 5-alkyl-6-arylmethyl-2,4-pyrimidinediones

Lee, Yeon Soo,Kim, Yong Hae

, p. 1503 - 1517 (2007/10/03)

5-Alkyl-2,4,6-trichloropyrimidines reacted with various nucleophiles to afford the regioselectivity 6-substituted pyrimidines as the major products in good yields, which were transformed to 5-alkyl-6-arylmethyl-2,4- pyrimidinediones of a key intermediate

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