1201581-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1201581-80-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,5,8 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1201581-80:
(9*1)+(8*2)+(7*0)+(6*1)+(5*5)+(4*8)+(3*1)+(2*8)+(1*0)=107
107 % 10 = 7
So 1201581-80-7 is a valid CAS Registry Number.