138881-46-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138881-46-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,8 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 138881-46:
(8*1)+(7*3)+(6*8)+(5*8)+(4*8)+(3*1)+(2*4)+(1*6)=166
166 % 10 = 6
So 138881-46-6 is a valid CAS Registry Number.