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264236-25-1

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264236-25-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 264236-25-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,4,2,3 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 264236-25:
(8*2)+(7*6)+(6*4)+(5*2)+(4*3)+(3*6)+(2*2)+(1*5)=131
131 % 10 = 1
So 264236-25-1 is a valid CAS Registry Number.

264236-25-1Relevant articles and documents

A New Route toward 4-Substituted Pyrazino[2,1-b]quinazoline-3,6-dione Systems. Total Synthesis of Glyantrypine

Cledera, Pilar,Avendano, Carmen,Carlos Menendez

, p. 1743 - 1749 (2007/10/03)

Treatment of sodium N-(o-azidobenzoyl)aminoacylglycinates 8 with acetic anhydride afforded 1-acetyl-4-(o-azidobenzoyl)-2,5-piperazinediones 7, with complete retention of the stereochemistry. The intramolecular aza Wittig reactions of compounds 7 in the pr

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