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1426137-93-0

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1426137-93-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1426137-93-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,6,1,3 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1426137-93:
(9*1)+(8*4)+(7*2)+(6*6)+(5*1)+(4*3)+(3*7)+(2*9)+(1*3)=150
150 % 10 = 0
So 1426137-93-0 is a valid CAS Registry Number.

1426137-93-0Downstream Products

1426137-93-0Relevant articles and documents

An efficient two-step synthesis of novel 2-amino-substituted pyrazolo[1,5-a][1,3,5]triazines

Insuasty, Henry,Insuasty, Braulio,Castro, Edison,Quiroga, Jairo,Abonia, Rodrigo

, p. 1722 - 1725 (2013/03/28)

A series of novel 2-amino-substituted pyrazolo[1,5-a][1,3,5]triazines were selectively synthesized by a two-step reaction between 5-amino-3-hetaryl-1H- pyrazoles and hetaroyl isothiocyanates with subsequent amination and cyclization promoted by the couple HgCl2/TEA and DMF as solvent. This approach provided the title compounds in good to excellent yields and under mild reaction conditions. The structures of the new compounds were unambiguously established by spectroscopic and analytical techniques.

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