771-97-1 Usage
Description
2,3-Diaminonaphthalene is a highly selective colorimetric and fluorometric reagent for selenium detection and also used for the fluorometric determination of nitrite. It is also useful for detection of ketones and alpha-keto acids.2,3-Diaminonaphthalene reacts with nitrosonium, which is formed from nitrite at low pH, to form the fluorescent dye 1 H-naphthotriazole. This method can be used to detect 10 nM to 10 uM of nitrite (NO2-) and is compatible with 96-well format.Fluorometric probe for nitriteQuantify 10 nM to 10 uM of nitriteYellow orange solid soluble in DMSO
Chemical Properties
colourless to white crystalline powder
Uses
Different sources of media describe the Uses of 771-97-1 differently. You can refer to the following data:
1. 2,3-Diaminonaphtaline (DAN) is used as a derivatisation-reagent for the determination of selenium at low detection limits.
2. In a reaction similar to that of DAF-FM , 2,3- diaminonaphthalene (D-7918) reacts with the nitrosonium cation that forms spontaneously from NO to form the fluorescent product 1H-naphthotriazole.Using 2,3-diaminonaphthalene, researchers have developed a rapid, quantitative fluorometric assay that can detect from 10 nM to 10 μM nitrite and is compatible with a 96-well microplate format.
3. 2,3-Diaminonaphthalene is used in preparation of precursors for multi-layer 3D material comprising chiral organic sandwich compounds.
Reactions
2,3-diaminonaphthalene (DAN) is a fluorometric probe for nitrite. It reacts with nitrosonium, which is formed from nitrite at low pH, to form the fluorescent dye 1 H-naphthotriazole. This method can be used to detect 10 nM to 10 uM of nitrite (NO2-) and is compatible with 96-well format.Reaction of 2,3-Diaminonaphthalene with NO2.
Purification Methods
Crystallise the diamine from water, or dissolve it in 0.1M HCl, by heating to 50o. After cooling, the solution is extracted with decalin to remove fluorescent impurities and centrifuged. [Beilstein 13 IV 346.]
Check Digit Verification of cas no
The CAS Registry Mumber 771-97-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,7 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 771-97:
(5*7)+(4*7)+(3*1)+(2*9)+(1*7)=91
91 % 10 = 1
So 771-97-1 is a valid CAS Registry Number.
InChI:InChI=1/C10H10N2/c11-9-5-7-3-1-2-4-8(7)6-10(9)12/h1-6H,11-12H2
771-97-1Relevant articles and documents
Synthesis of benzo[g]quinoxaline-5,10-dione based pyridine derivatives and their antimycobacterial activity
Kumar, Shiv,Kumar, Nitin,Drabu, Sushma
, p. 821 - 828 (2017/05/26)
Thirteen new compounds belonging to series 2-amino-6-(5,10-dioxo-2,3-diphenyl-5,10-dihydrobenzo[g]quinoxalin-7-yl)-4-(substituted)phenylpyridine-3-carbonitrile (6a-m) were synthesized by multistep synthetic scheme. The newly synthesized compounds were screened for their antimycobacterial activity by L.J. Slope (Conventional) Method. Compound 6h with 4-N(CH3)2 group at phenyl ring of above mentioned position has been reported as most active antimycobacterial compound and compound 6k with 4-CH3 substitution at phenyl above mentioned position has been reported as the least active antimycobacterial compound.
