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98478-28-5

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98478-28-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98478-28-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,4,7 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 98478-28:
(7*9)+(6*8)+(5*4)+(4*7)+(3*8)+(2*2)+(1*8)=195
195 % 10 = 5
So 98478-28-5 is a valid CAS Registry Number.

98478-28-5Downstream Products

98478-28-5Relevant articles and documents

Phosphorus Pentoxide in Organic Synthesis, XVIII Phosphorus Pentoxide and Secondary Amine Mixtures in a New Synthesis of N6,N6-Dialkyl- and N6-Alkyl,N6-aryl-9H-purin-6-amines

El-Bayouki, Khairy A. M.,Nielsen, Flemming E.,Pedersen, Erik B.

, p. 1223 - 1227 (2007/10/02)

A series of N6,N6-disubstituted 9H-purin-6-amines 2a-i was prepared from 5-acetamido-6-amino-2-methylpyrimidin-4(3H)-one (1) and a secondary amine or its hydrochloride in the presence of phosphorus pentoxide and triethylamine hydrochloride.

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