660-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 660-53-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,6 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 660-53:
(5*6)+(4*6)+(3*0)+(2*5)+(1*3)=67
67 % 10 = 7
So 660-53-7 is a valid CAS Registry Number.
InChI:InChI=1/C6H7N.B.3FH/c7-6-4-2-1-3-5-6;;;;/h1-5H,7H2;;3*1H/q;+3;;;/p-3