137180-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137180-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,8 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137180-91:
(8*1)+(7*3)+(6*7)+(5*1)+(4*8)+(3*0)+(2*9)+(1*1)=127
127 % 10 = 7
So 137180-91-7 is a valid CAS Registry Number.
137180-91-7Relevant academic research and scientific papers
One-pot synthesis of dialkyl esters of N-formyl N-phenyl (alkylphenyl) aminomethanephosphonic acids
Lukanov,Venkov
, p. 1951 - 1957 (2007/10/02)
Dialkyl esters of N-formyl-N-phenyl (alkylphenyl)aminomethanephosphonic acids are obtained from azomethines, PCI3 and ortho esters.
