1033820-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1033820-27-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,3,8,2 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1033820-27:
(9*1)+(8*0)+(7*3)+(6*3)+(5*8)+(4*2)+(3*0)+(2*2)+(1*7)=107
107 % 10 = 7
So 1033820-27-7 is a valid CAS Registry Number.