131471-49-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131471-49-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,4,7 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131471-49:
(8*1)+(7*3)+(6*1)+(5*4)+(4*7)+(3*1)+(2*4)+(1*9)=103
103 % 10 = 3
So 131471-49-3 is a valid CAS Registry Number.
131471-49-3Relevant academic research and scientific papers
A FACILE SYNTHESIS OF N-DIETHOXYPHOSPHORYLFORMAMIDINES
Zawadzki, Stefan,Wijata, Andrzej
, p. 307 - 311 (2007/10/02)
The convenient synthesis of N-phosphorylated formamidines, 3 based on the reaction of diethyl(ethoxymethylene)phosphoramidate, 1 with primary and secondary amines is described.
