129625-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129625-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,6,2 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 129625-18:
(8*1)+(7*2)+(6*9)+(5*6)+(4*2)+(3*5)+(2*1)+(1*8)=139
139 % 10 = 9
So 129625-18-9 is a valid CAS Registry Number.