131189-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131189-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,8 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 131189-20:
(8*1)+(7*3)+(6*1)+(5*1)+(4*8)+(3*9)+(2*2)+(1*0)=103
103 % 10 = 3
So 131189-20-3 is a valid CAS Registry Number.
131189-20-3Relevant articles and documents
Synthesis of diaryl alkenes
-
, (2008/06/13)
Aromatic alkenes, especially diarylbutadienes are produced in a simple economic process by reaction of an anil with an organic compound having a non-aromatic unsaturated system conjugated with an aromatic system, and a terminal methyl group pendent from t