33647-98-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33647-98-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,6,4 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 33647-98:
(7*3)+(6*3)+(5*6)+(4*4)+(3*7)+(2*9)+(1*8)=132
132 % 10 = 2
So 33647-98-2 is a valid CAS Registry Number.