6730-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6730-55-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,3 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6730-55:
(6*6)+(5*7)+(4*3)+(3*0)+(2*5)+(1*5)=98
98 % 10 = 8
So 6730-55-8 is a valid CAS Registry Number.