70980-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70980-18-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,9,8 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 70980-18:
(7*7)+(6*0)+(5*9)+(4*8)+(3*0)+(2*1)+(1*8)=136
136 % 10 = 6
So 70980-18-6 is a valid CAS Registry Number.