4519-47-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4519-47-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,1 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4519-47:
(6*4)+(5*5)+(4*1)+(3*9)+(2*4)+(1*7)=95
95 % 10 = 5
So 4519-47-5 is a valid CAS Registry Number.
4519-47-5Relevant articles and documents
Stereoselective dehydrobromination of alkyl α-Br α-Cl-carboxylates
Forti, Luca
, p. 3023 - 3026 (1995)
(Z)-Alkyl α-Cl-α,β-unsaturated esters are prepared in excellent yields by stereoselective dehydrobromination of alkyl α-Br-α-Cl-carboxylates with LiCl-Li2CO3 in dimethylformamide.
