117266-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117266-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,2,6 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 117266-80:
(8*1)+(7*1)+(6*7)+(5*2)+(4*6)+(3*6)+(2*8)+(1*0)=125
125 % 10 = 5
So 117266-80-5 is a valid CAS Registry Number.
117266-80-5Relevant articles and documents
OXALYL CHLORIDE IN FURAN- AND 1H-PYRROLE-2,3-DIONE SYNTHESES
Zankowska-Jasinska, Wanda,Golus, Janusz,Kamela, Zofia,Kolasa, Anna
, p. 141 - 148 (2007/10/02)
Condensation of benzoylacetic acid amide and its imino derivative with oxalyl chloride yielded furan-2,3-dione 1 and 1H-pyrrole-2,3-dione 2 derivatives, respectively.The structure of the latter was proved by an analogous condensation of β-aminocinnamic ni
