137731-02-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137731-02-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,3 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137731-02:
(8*1)+(7*3)+(6*7)+(5*7)+(4*3)+(3*1)+(2*0)+(1*2)=123
123 % 10 = 3
So 137731-02-3 is a valid CAS Registry Number.
137731-02-3Relevant academic research and scientific papers
ARYLAZOPOLYFLUOROALKENES FROM TERMINAL PERFLUOROOLEFINS
Bergamova, M. D.,Pletnev, S. I.,Knunyants, I. L.
, p. 1705 - 1708 (2007/10/02)
The reactions of perfluoro-1-hexene and perfluoro-1-butene with phenylhydrazine gives phenylhydrazones of acid fluoride derivatives of the corresponding polyfluorocarboxylic acids.The dehydrofluorination of these products using triethylamine gives conjuga
