133767-33-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133767-33-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,7,6 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 133767-33:
(8*1)+(7*3)+(6*3)+(5*7)+(4*6)+(3*7)+(2*3)+(1*3)=136
136 % 10 = 6
So 133767-33-6 is a valid CAS Registry Number.