138988-32-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138988-32-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,8 and 8 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138988-32:
(8*1)+(7*3)+(6*8)+(5*9)+(4*8)+(3*8)+(2*3)+(1*2)=186
186 % 10 = 6
So 138988-32-6 is a valid CAS Registry Number.