1011231-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1011231-98-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,1,2,3 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1011231-98:
(9*1)+(8*0)+(7*1)+(6*1)+(5*2)+(4*3)+(3*1)+(2*9)+(1*8)=73
73 % 10 = 3
So 1011231-98-3 is a valid CAS Registry Number.
1011231-98-3Relevant articles and documents
Synthesis of substituted benzimidazoles via tosylation of N-aryl amidoxime
Yamamoto, Yuhei,Tsuritani, Takayuki,Mase, Toshiaki
, p. 876 - 878 (2008)
Tosylation of N-aryl amidoxime in the presence of TEA produces the corresponding benzimidazoles in high yields.