90997-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90997-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,9 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90997-91:
(7*9)+(6*0)+(5*9)+(4*9)+(3*7)+(2*9)+(1*1)=184
184 % 10 = 4
So 90997-91-4 is a valid CAS Registry Number.
90997-91-4Relevant academic research and scientific papers
Kim,Avdin,Gavrilova
, p. 986 - 988 (1997)
The reaction of 2-allylthiobenzimidazole and 2-allylthio-1-methylbenzimidazole with iodine leads to the formation of dihydrothiazolo[3,2-a]benzimidazolium systems. 1998 Plenum Publishing Corporation.
