99703-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99703-55-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,0 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99703-55:
(7*9)+(6*9)+(5*7)+(4*0)+(3*3)+(2*5)+(1*5)=176
176 % 10 = 6
So 99703-55-6 is a valid CAS Registry Number.