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426826-80-4

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426826-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 426826-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,6,8,2 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 426826-80:
(8*4)+(7*2)+(6*6)+(5*8)+(4*2)+(3*6)+(2*8)+(1*0)=164
164 % 10 = 4
So 426826-80-4 is a valid CAS Registry Number.

426826-80-4Relevant articles and documents

Mild and selective deprotection of carbamates with Bu4NF

Jacquemard, Ulrich,Bénéteau, Valérie,Lefoix, Myriam,Routier, Sylvain,Mérour, Jean-Yves,Coudert, Gérard

, p. 10039 - 10047 (2007/10/03)

A new mild method allowing the removal of carbamates using TBAF in THF is reported. Reactions were performed on indole, indoline, N-methyl aniline, aniline and tryptamine derivatives. The observed selectivity according to the carbamates or the substrates is discussed. A mechanism is postulated. Graphical Abstract

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