2625-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2625-33-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,2 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2625-33:
(6*2)+(5*6)+(4*2)+(3*5)+(2*3)+(1*3)=74
74 % 10 = 4
So 2625-33-4 is a valid CAS Registry Number.