381703-80-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 381703-80-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,1,7,0 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 381703-80:
(8*3)+(7*8)+(6*1)+(5*7)+(4*0)+(3*3)+(2*8)+(1*0)=146
146 % 10 = 6
So 381703-80-6 is a valid CAS Registry Number.