92-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92-57-9 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 9 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 92-57:
(4*9)+(3*2)+(2*5)+(1*7)=59
59 % 10 = 9
So 92-57-9 is a valid CAS Registry Number.
InChI:InChI=1/C15H16N3.ClH/c1-2-18(12-13-6-4-3-5-7-13)15-10-8-14(17-16)9-11-15;/h3-11H,2,12H2,1H3;1H/q+1;/p-1