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305331-23-1

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305331-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 305331-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,5,3,3 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 305331-23:
(8*3)+(7*0)+(6*5)+(5*3)+(4*3)+(3*1)+(2*2)+(1*3)=91
91 % 10 = 1
So 305331-23-1 is a valid CAS Registry Number.

305331-23-1Relevant articles and documents

A new route for the synthesis of 4,5-diamino-6-arylsulfanylpyrimidine derivatives and also purines on their basis

Popil'nichenko,Solomyannyj,Brovarets

scheme or table, p. 492 - 496 (2012/01/13)

5-Acylamino-4-amino-6-arylsulfanylpyrimidines were formed by the reaction 3-arylsulfanyl-2-acylamino-3-chloroacrylonitriles with benzamidine. The products were converted into new derivatives of 6-arylsulfanyl-substituted purine bases by treatment with pol

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