156743-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156743-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,4 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 156743-12:
(8*1)+(7*5)+(6*6)+(5*7)+(4*4)+(3*3)+(2*1)+(1*2)=143
143 % 10 = 3
So 156743-12-3 is a valid CAS Registry Number.
156743-12-3Relevant articles and documents
A New Straightforward, and General Approach to Dienamide Natural Products
Babudri, Francesco,Fiandanese, Vito,Naso, Francesco,Punzi, Angela
, p. 2067 - 2070 (1994)
A new synthetic approach to various conjugated (E,E) dienamides has been developed, starting from an easily accessible bifunctional dienyl compound and based upon a double selective electrophilic substitution, followed by coupling reactions.