160561-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 160561-79-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,5,6 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 160561-79:
(8*1)+(7*6)+(6*0)+(5*5)+(4*6)+(3*1)+(2*7)+(1*9)=125
125 % 10 = 5
So 160561-79-5 is a valid CAS Registry Number.
160561-79-5Relevant articles and documents
First Access to 3,4-Difluoro-1H-pyrrole
Leroy, Jacques,Wakselman, Claude
, p. 8605 - 8608 (1994)
N-Unsubstituted 3,4-difluoropyrrole is synthesized via a thermal cycloaddition reaction of a N-tert-butyl 2-alkoxycarbonyl aziridine and chlorotrifluoroethylene.Dealkylation of an intermediate N-tert-butylpyrrole is obtained with trifluoromethanesulfonic acid.