1023526-44-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1023526-44-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,3,5,2 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1023526-44:
(9*1)+(8*0)+(7*2)+(6*3)+(5*5)+(4*2)+(3*6)+(2*4)+(1*4)=104
104 % 10 = 4
So 1023526-44-4 is a valid CAS Registry Number.