135656-67-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135656-67-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,5 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 135656-67:
(8*1)+(7*3)+(6*5)+(5*6)+(4*5)+(3*6)+(2*6)+(1*7)=146
146 % 10 = 6
So 135656-67-6 is a valid CAS Registry Number.