81485-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81485-18-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,8 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81485-18:
(7*8)+(6*1)+(5*4)+(4*8)+(3*5)+(2*1)+(1*8)=139
139 % 10 = 9
So 81485-18-9 is a valid CAS Registry Number.
InChI:InChI=1/C15H10N2O3/c18-10-14-15(11-6-2-1-3-7-11)17(20)13-9-5-4-8-12(13)16(14)19/h1-10H
81485-18-9Relevant articles and documents
A ONE-STEP SYNTHESIS OF 2-FORMYLQUINOXALINE 1,4-DIOXIDES
El-Abadelah, Mustafa M.,Anani, Ali A.,Khan, Zahida H.
, p. 1663 - 1666 (2007/10/02)
2-Formylquinoxaline 1,4-dioxide was easily prepared from the reaction of o-benzoquinone dioxime with cinnamaldehyde at low temperatures.A possible mechanism for the reaction is briefly discussed.
