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209865-41-8

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209865-41-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 209865-41-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,8,6 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 209865-41:
(8*2)+(7*0)+(6*9)+(5*8)+(4*6)+(3*5)+(2*4)+(1*1)=158
158 % 10 = 8
So 209865-41-8 is a valid CAS Registry Number.

209865-41-8Relevant articles and documents

A new synthesis of 6-substituted pyrido [2,3-d]pyrimidines

Kuwada, Takeshi,Harada, Kenichi,Nobuhiro, Junko,Choshi, Tominari,Hibino, Satoshi

, p. 2081 - 2090 (2007/10/03)

The reaction of the β-methylsulfanylacroleins, derived from alkenyl sulfides by the Vilsmeier reaction, with 6-aminouracils or 2,6-diaminouracil, provides a new synthetic route to the 6-substituted pyrido[2,3-d]pyrimidines by two methods, the reaction mec

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