222420-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222420-85-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,4,2 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 222420-85:
(8*2)+(7*2)+(6*2)+(5*4)+(4*2)+(3*0)+(2*8)+(1*5)=91
91 % 10 = 1
So 222420-85-1 is a valid CAS Registry Number.