380645-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 380645-80-7 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 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 380645-80:
(8*3)+(7*8)+(6*0)+(5*6)+(4*4)+(3*5)+(2*8)+(1*0)=157
157 % 10 = 7
So 380645-80-7 is a valid CAS Registry Number.