1812569-18-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1812569-18-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,1,2,5,6 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1812569-18:
(9*1)+(8*8)+(7*1)+(6*2)+(5*5)+(4*6)+(3*9)+(2*1)+(1*8)=178
178 % 10 = 8
So 1812569-18-8 is a valid CAS Registry Number.