1220036-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1220036-89-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,0,3 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1220036-89:
(9*1)+(8*2)+(7*2)+(6*0)+(5*0)+(4*3)+(3*6)+(2*8)+(1*9)=94
94 % 10 = 4
So 1220036-89-4 is a valid CAS Registry Number.