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1429644-25-6

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1429644-25-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1429644-25-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,9,6,4 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1429644-25:
(9*1)+(8*4)+(7*2)+(6*9)+(5*6)+(4*4)+(3*4)+(2*2)+(1*5)=176
176 % 10 = 6
So 1429644-25-6 is a valid CAS Registry Number.

1429644-25-6Downstream Products

1429644-25-6Relevant articles and documents

Synthesis of 6-alkyluridines from 6-cyanouridine via zinc(II) chloride-catalyzed nucleophilic substitution with alkyl grignard reagents

Shih, Yu-Chiao,Yang, Ya-Ying,Lin, Chun-Chi,Chien, Tun-Cheng

, p. 4027 - 4036 (2013/06/04)

6-Cyanouracil derivatives underwent a direct nucleophilic substitution reaction with alkyl Grignard reagents in the presence of zinc(II) chloride as a catalyst to form the corresponding 6-alkyluracils. This methodology is applicable to sugar-protected 6-cyanouridine and 6-cyano-2′-deoxyuridine without the protection at the N3-imide and provides a facile and general access to versatile 6-alkyluracil and 6-alkyluridine derivatives.

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