Cas 85143-72-2,3-(4-Bromo-phenylamino)-6,8-dimethyl-4-oxy-8H-pyrimido[5,4-e][1,2,4]triazine-5,7-dione

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Check Digit Verification of cas no

The CAS Registry Mumber 85143-72-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,1,4 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 85143-72:
(7*8)+(6*5)+(5*1)+(4*4)+(3*3)+(2*7)+(1*2)=132
132 % 10 = 2
So 85143-72-2 is a valid CAS Registry Number.

85143-72-2Upstream product

85143-72-2Downstream Products

85143-79-9 6-(4-Bromo-phenylamino)-1,3-dimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid methyl ester

85143-72-2Relevant academic research and scientific papers

A New Synthesis of Pyrimido-as-triazine 4-Oxides and Their Ring Transformation to Pyrrolopyrimidines

Nishigaki, Sadao,Kanazawa, Hashime,Kanamori, Yukako,Ichiba, Misuzu,Senga, Keitaro

, p. 1309 - 1312 (2007/10/02)

A new synthesis of certain pyrimido-as-triazine 4-oxides and their ring transformation to pyrrolopyrimidines by the 1,3-dipolar cycloaddition reaction is described.Thus, reaction of 6-hydrazino-1,3-dimethyluracil (1) with triethyl orthoforma

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85143-72-2

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