18709-96-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18709-96-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,0 and 9 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 18709-96:
(7*1)+(6*8)+(5*7)+(4*0)+(3*9)+(2*9)+(1*6)=141
141 % 10 = 1
So 18709-96-1 is a valid CAS Registry Number.