80615-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80615-58-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,6,1 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 80615-58:
(7*8)+(6*0)+(5*6)+(4*1)+(3*5)+(2*5)+(1*8)=123
123 % 10 = 3
So 80615-58-3 is a valid CAS Registry Number.
80615-58-3Relevant articles and documents
Syntheses du diamino-3,4 thiophene et de quelques derives de substitution
Outurquin, Francis,Paulmier, Claude
, p. 153 - 158 (2007/10/02)
3,4-Diaminothiophen has been obtained in a good yield by reduction of 2,5-dibromo-3,4-dinitrothiophen.This orthodiamine is stable and isolable as a crystalline solid.Some derivatives such as diamides and dicarbamates could be prepared from this compound.E