47757-98-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 47757-98-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,7,7,5 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 47757-98:
(7*4)+(6*7)+(5*7)+(4*5)+(3*7)+(2*9)+(1*8)=172
172 % 10 = 2
So 47757-98-2 is a valid CAS Registry Number.