4921-94-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4921-94-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,2 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4921-94:
(6*4)+(5*9)+(4*2)+(3*1)+(2*9)+(1*4)=102
102 % 10 = 2
So 4921-94-2 is a valid CAS Registry Number.