99758-39-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99758-39-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,5 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 99758-39:
(7*9)+(6*9)+(5*7)+(4*5)+(3*8)+(2*3)+(1*9)=211
211 % 10 = 1
So 99758-39-1 is a valid CAS Registry Number.