31892-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31892-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,8,9 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 31892-68:
(7*3)+(6*1)+(5*8)+(4*9)+(3*2)+(2*6)+(1*8)=129
129 % 10 = 9
So 31892-68-9 is a valid CAS Registry Number.
InChI:InChI=1/2C10H9NS.C2H6O6S2/c2*1-8-10(11-7-12-8)9-5-3-2-4-6-9;3-9(4,5)1-2-10(6,7)8/h2*2-7H,1H3;1-2H2,(H,3,4,5)(H,6,7,8)