2730-33-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2730-33-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,3 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2730-33:
(6*2)+(5*7)+(4*3)+(3*0)+(2*3)+(1*3)=68
68 % 10 = 8
So 2730-33-8 is a valid CAS Registry Number.