90211-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90211-87-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,2,1 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90211-87:
(7*9)+(6*0)+(5*2)+(4*1)+(3*1)+(2*8)+(1*7)=103
103 % 10 = 3
So 90211-87-3 is a valid CAS Registry Number.