111783-22-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111783-22-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,7,8 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 111783-22:
(8*1)+(7*1)+(6*1)+(5*7)+(4*8)+(3*3)+(2*2)+(1*2)=103
103 % 10 = 3
So 111783-22-3 is a valid CAS Registry Number.
111783-22-3Relevant academic research and scientific papers
NITRILES IN HETEROCYCLIC SYNTHESIS: NOVEL SYNTHESIS OF BENZOCOUMARIN AND OF BENZOPYRANOQUINOLINE DERIVATIVES
Hafez, Ebtisam Abdel Aziz,Elnagdi, Mohamed Hilmy,Elagamey, Abdel Ghani Ali,El-Taweel, Fathy Mohamed Abdel Aziz
, p. 903 - 907 (2007/10/02)
Novel syntheses of benzocoumarins and benzopyranoquinolines utilizing 3-cyano-4-methylcoumarin and pyranoquinolin are reported.
