187334-32-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187334-32-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,3,3 and 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 187334-32:
(8*1)+(7*8)+(6*7)+(5*3)+(4*3)+(3*4)+(2*3)+(1*2)=153
153 % 10 = 3
So 187334-32-3 is a valid CAS Registry Number.
187334-32-3Relevant articles and documents
An approach towards fused thieno[3,2-b]pyridines
Alkhathlan, Hamad Z.
, p. 45 - 56 (2007/10/03)
A series of fused thieno[3,2-b]pyridines was prepared via the condensation of substituted 2-acetyl-3-aminothiophenes and acid anhydrides. In addition, selected examples of these compounds were prepared via an intramolecular Wittig reaction.