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27025-39-4

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27025-39-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27025-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,0,2 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 27025-39:
(7*2)+(6*7)+(5*0)+(4*2)+(3*5)+(2*3)+(1*9)=94
94 % 10 = 4
So 27025-39-4 is a valid CAS Registry Number.

27025-39-4Downstream Products

27025-39-4Relevant articles and documents

A New Synthesis of Peptides from Azides and Unactivated Carboxylic Acids

Zaloom, Jeffrey,Calandra, Michael,Roberts, David C.

, p. 2601 - 2603 (2007/10/02)

The title reaction, in which an azido compound is treated first with a tertiary phosphine, followed by warming in an inert solvent with a carboxylic acid, has been used to synthesize a number of small peptides and appears from mechanistic studies to proceed via a pentacoordinate phosphorus intermediate.

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