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88783-89-5

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88783-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88783-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,7,8 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 88783-89:
(7*8)+(6*8)+(5*7)+(4*8)+(3*3)+(2*8)+(1*9)=205
205 % 10 = 5
So 88783-89-5 is a valid CAS Registry Number.

88783-89-5Downstream Products

88783-89-5Relevant articles and documents

A new, general and regioselective method for the synthesis of 2,6-disubstituted 4-aminopteridines

Taghavi-Moghadam, Shahriyar,Pfleiderer, Wolfgang

, p. 6835 - 6836 (1997)

A new synthetic method for the preparation of 2,6-disubstituted 4-aminopteridines is described. Treatment of a-substituted 4,5,6-triaminopyrimidines with α-ketoaldoximes in MeOH affords in a regioselective one-step reaction 2,6-disubstituted 4-aminopteridines in high yield.

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