177843-32-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177843-32-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,8,4 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 177843-32:
(8*1)+(7*7)+(6*7)+(5*8)+(4*4)+(3*3)+(2*3)+(1*2)=172
172 % 10 = 2
So 177843-32-2 is a valid CAS Registry Number.
177843-32-2Relevant academic research and scientific papers
Benzimidazole derivatives
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, (2008/06/13)
This invention provides compounds having the structure: wherein each of R1, R2, R3and R9is independently H; straight chain or branched, substituted or unsubstituted C1-C7alkyl, C2/sub