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1581260-77-6

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1581260-77-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1581260-77-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,1,2,6 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1581260-77:
(9*1)+(8*5)+(7*8)+(6*1)+(5*2)+(4*6)+(3*0)+(2*7)+(1*7)=166
166 % 10 = 6
So 1581260-77-6 is a valid CAS Registry Number.

1581260-77-6Downstream Products

1581260-77-6Relevant articles and documents

A mild method for the synthesis of carbamate-protected guanidines using the burgess reagent

Maki, Toshikatsu,Tsuritani, Takayuki,Yasukata, Tatsuro

supporting information, p. 1868 - 1871 (2014/05/06)

A simple method for the synthesis of carbamate-protected guanidines from primary amines is described. A variety of thioureas derived from primary amines and isothiocyanates react with the Burgess reagent to give the corresponding guanidines via either a stepwise or one-pot procedure. By tuning the carbamoyl units of isothiocyanates and the Burgess reagent, differentially N,N′-diprotected guanidines can be obtained. Selective deprotection of the products affords N-monoprotected guanidines.

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