929281-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 929281-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,9,2,8 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 929281-33:
(8*9)+(7*2)+(6*9)+(5*2)+(4*8)+(3*1)+(2*3)+(1*3)=194
194 % 10 = 4
So 929281-33-4 is a valid CAS Registry Number.
929281-33-4Relevant articles and documents
REGIOSELECTIVE PROCESS FOR PREPARING BENZIMIDAZOLE THIOPHENES
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Page/Page column 229-230, (2010/11/26)
The present invention provides a process for preparing benzimidazole thiophene compounds of formula I. Intermediates used in the process are also claimed.