1018542-37-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1018542-37-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,8,5,4 and 2 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1018542-37:
(9*1)+(8*0)+(7*1)+(6*8)+(5*5)+(4*4)+(3*2)+(2*3)+(1*7)=124
124 % 10 = 4
So 1018542-37-4 is a valid CAS Registry Number.