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924637-25-2

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924637-25-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 924637-25-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,4,6,3 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 924637-25:
(8*9)+(7*2)+(6*4)+(5*6)+(4*3)+(3*7)+(2*2)+(1*5)=182
182 % 10 = 2
So 924637-25-2 is a valid CAS Registry Number.

924637-25-2Relevant articles and documents

2,6-DICHLORO-8-IODO-7-DEAZAPURINE FOR SYNTHESIZING POLYSUBSTITUTED 7-DEAZAPURINE DERIVATIVE

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, (2017/01/31)

PROBLEM TO BE SOLVED: To overcome many times and labors needed for synthesizing various polysubstituted 7-deazapurine derivatives which is expected usefulness or the like as pharmaceutical because they are conventionally synthesized through several synthetic routes depending on kinds and positions of substituents. SOLUTION: Used is 2,6-dichloro-8-iodo-7-deazapurine represented by the following formula (1) available as a key intermediate of polysubstituted 7-deazapurine derivatives. Predetermined substituents can be introduced to 8-, m6- and 2-positions respectively in this order, therefor it is useful as an intermediate for synthesizing targeted polysubstituted 7-deazapurine derivative. SELECTED DRAWING: None COPYRIGHT: (C)2016,JPOandINPIT

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