50645-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50645-87-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,6,4 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 50645-87:
(7*5)+(6*0)+(5*6)+(4*4)+(3*5)+(2*8)+(1*7)=119
119 % 10 = 9
So 50645-87-9 is a valid CAS Registry Number.