93899-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93899-84-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,8,9 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 93899-84:
(7*9)+(6*3)+(5*8)+(4*9)+(3*9)+(2*8)+(1*4)=204
204 % 10 = 4
So 93899-84-4 is a valid CAS Registry Number.