670272-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 670272-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,0,2,7 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 670272-98:
(8*6)+(7*7)+(6*0)+(5*2)+(4*7)+(3*2)+(2*9)+(1*8)=167
167 % 10 = 7
So 670272-98-7 is a valid CAS Registry Number.