136788-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136788-42-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,7,8 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 136788-42:
(8*1)+(7*3)+(6*6)+(5*7)+(4*8)+(3*8)+(2*4)+(1*2)=166
166 % 10 = 6
So 136788-42-6 is a valid CAS Registry Number.