137668-00-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137668-00-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,6,6 and 8 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 137668-00:
(8*1)+(7*3)+(6*7)+(5*6)+(4*6)+(3*8)+(2*0)+(1*0)=149
149 % 10 = 9
So 137668-00-9 is a valid CAS Registry Number.