91337-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91337-83-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,3 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91337-83:
(7*9)+(6*1)+(5*3)+(4*3)+(3*7)+(2*8)+(1*3)=136
136 % 10 = 6
So 91337-83-6 is a valid CAS Registry Number.