138181-75-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138181-75-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,1,8 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 138181-75:
(8*1)+(7*3)+(6*8)+(5*1)+(4*8)+(3*1)+(2*7)+(1*5)=136
136 % 10 = 6
So 138181-75-6 is a valid CAS Registry Number.