135653-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135653-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,5 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135653-93:
(8*1)+(7*3)+(6*5)+(5*6)+(4*5)+(3*3)+(2*9)+(1*3)=139
139 % 10 = 9
So 135653-93-9 is a valid CAS Registry Number.
135653-93-9Relevant academic research and scientific papers
A ONE-POT SYNTHESIS OF TRIFLUOROMETHYLATED α,β-UNSATURATED ESTERS
Shen, Yanchang,Xiang, Yuejun
, p. 221 - 227 (2007/10/02)
Trifluoromethylated α,β-unsaturated esters were conveniently synthesized by reaction of organolithium compounds with a fluorinated biscarbonylphosphonium salt which was prepared in situ by acylation of the corresponding phosphorane with trifluoroacetic anhydride.
