84336-28-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84336-28-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,3,3 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 84336-28:
(7*8)+(6*4)+(5*3)+(4*3)+(3*6)+(2*2)+(1*8)=137
137 % 10 = 7
So 84336-28-7 is a valid CAS Registry Number.