1033693-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1033693-56-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,3,6,9 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1033693-56:
(9*1)+(8*0)+(7*3)+(6*3)+(5*6)+(4*9)+(3*3)+(2*5)+(1*6)=139
139 % 10 = 9
So 1033693-56-9 is a valid CAS Registry Number.