1002803-56-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1002803-56-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,2,8,0 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1002803-56:
(9*1)+(8*0)+(7*0)+(6*2)+(5*8)+(4*0)+(3*3)+(2*5)+(1*6)=86
86 % 10 = 6
So 1002803-56-6 is a valid CAS Registry Number.