93999-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93999-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,9 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 93999-50:
(7*9)+(6*3)+(5*9)+(4*9)+(3*9)+(2*5)+(1*0)=199
199 % 10 = 9
So 93999-50-9 is a valid CAS Registry Number.