380643-19-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 380643-19-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,0,6,4 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 380643-19:
(8*3)+(7*8)+(6*0)+(5*6)+(4*4)+(3*3)+(2*1)+(1*9)=146
146 % 10 = 6
So 380643-19-6 is a valid CAS Registry Number.