133400-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133400-91-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,4,0 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 133400-91:
(8*1)+(7*3)+(6*3)+(5*4)+(4*0)+(3*0)+(2*9)+(1*1)=86
86 % 10 = 6
So 133400-91-6 is a valid CAS Registry Number.