380638-28-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 380638-28-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,0,6,3 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 380638-28:
(8*3)+(7*8)+(6*0)+(5*6)+(4*3)+(3*8)+(2*2)+(1*8)=158
158 % 10 = 8
So 380638-28-8 is a valid CAS Registry Number.