1001845-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1001845-90-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,1,8,4 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1001845-90:
(9*1)+(8*0)+(7*0)+(6*1)+(5*8)+(4*4)+(3*5)+(2*9)+(1*0)=104
104 % 10 = 4
So 1001845-90-4 is a valid CAS Registry Number.