1023558-35-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1023558-35-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,3,5,5 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1023558-35:
(9*1)+(8*0)+(7*2)+(6*3)+(5*5)+(4*5)+(3*8)+(2*3)+(1*5)=121
121 % 10 = 1
So 1023558-35-1 is a valid CAS Registry Number.