20995-79-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20995-79-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,9 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20995-79:
(7*2)+(6*0)+(5*9)+(4*9)+(3*5)+(2*7)+(1*9)=133
133 % 10 = 3
So 20995-79-3 is a valid CAS Registry Number.
20995-79-3Relevant academic research and scientific papers
SYNTHESIS OF 1-PERFLUOROALKYNYL PHOSPHONATES
Shen, Yanchang,Lin, Yukang,Xin, Yuankang
, p. 5137 - 5138 (2007/10/02)
Intramolecular Wittig reaction is extended to the synthesis of 1-perfluoroalkynyl phosphonates.
