850553-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 850553-98-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,5,5 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 850553-98:
(8*8)+(7*5)+(6*0)+(5*5)+(4*5)+(3*3)+(2*9)+(1*8)=179
179 % 10 = 9
So 850553-98-9 is a valid CAS Registry Number.