921135-52-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 921135-52-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,1,1,3 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 921135-52:
(8*9)+(7*2)+(6*1)+(5*1)+(4*3)+(3*5)+(2*5)+(1*2)=136
136 % 10 = 6
So 921135-52-6 is a valid CAS Registry Number.