138478-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138478-68-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,7 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138478-68:
(8*1)+(7*3)+(6*8)+(5*4)+(4*7)+(3*8)+(2*6)+(1*8)=169
169 % 10 = 9
So 138478-68-9 is a valid CAS Registry Number.