129157-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129157-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,5 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129157-91:
(8*1)+(7*2)+(6*9)+(5*1)+(4*5)+(3*7)+(2*9)+(1*1)=141
141 % 10 = 1
So 129157-91-1 is a valid CAS Registry Number.
129157-91-1Relevant academic research and scientific papers
REACTIONS OF 1,2-DIAMINOBENZIMIDAZOLES WITH β-DIELECTROPHILES: SYNTHESIS OF PYRIMIDOBENZIMIDAZOLE DERIVATIVES
Romano, Claudia,Cuesta, Elena de la,Avendano, Carmen
, p. 267 - 276 (2007/10/02)
1,2-Diaminobenzimidazoles react with malonic and β-ethoxymethylenemalonic acid derivatives to give pyrimidobenzimidazole derivatives.
