1013656-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1013656-73-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,3,6,5 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1013656-73:
(9*1)+(8*0)+(7*1)+(6*3)+(5*6)+(4*5)+(3*6)+(2*7)+(1*3)=119
119 % 10 = 9
So 1013656-73-9 is a valid CAS Registry Number.