902-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 902-55-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,0 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 902-55:
(5*9)+(4*0)+(3*2)+(2*5)+(1*5)=66
66 % 10 = 6
So 902-55-6 is a valid CAS Registry Number.