91091-02-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91091-02-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,9 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91091-02:
(7*9)+(6*1)+(5*0)+(4*9)+(3*1)+(2*0)+(1*2)=110
110 % 10 = 0
So 91091-02-0 is a valid CAS Registry Number.
InChI:InChI=1/C11H10N2S/c1-9-11(13-8-7-12-9)14-10-5-3-2-4-6-10/h2-8H,1H3