Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,3-diphenylquinoxaline-5-carboxylic acid
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,3-DIPHENYL-QUINOXALINE-5-CARBOXYLIC ACID
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

90833-20-8

90833-20-8 structure

90833-20-8 structure

Name: 2,3-DIPHENYL-QUINOXALINE-5-CARBOXYLIC ACID
Chemical Name: 2,3-diphenylquinoxaline-5-carboxylic acid
CAS Number: 90833-20-8
Molecular Formula: C₂₁H₁₄N₂O₂
Molecular Weight: 326.34800
Create Date: 2017-03-11 11:07:13
Modify Date: 2025-08-26 20:25:00

Name	2,3-diphenylquinoxaline-5-carboxylic acid
Synonyms	5-Quinoxalinecarboxylicacid,2,3-diphenyl 2,3-diphenyl-5-quinoxalinecarboxylic acid

Density	1.289g/cm3
Boiling Point	516.4ºC at 760 mmHg
Molecular Formula	C₂₁H₁₄N₂O₂
Molecular Weight	326.34800
Flash Point	266.1ºC
Exact Mass	326.10600
PSA	63.08000
LogP	4.66200
Index of Refraction	1.686

Hazard Codes	Xi: Irritant;
HS Code	2933990090

134-81-6 structure

134-81-6

603-81-6 structure

603-81-6

~90%

90833-20-8 structure

90833-20-8

Literature: Roubinek; Bydzovsky; Budesinsky Collection of Czechoslovak Chemical Communications, 1984 , vol. 49, # 1 p. 285 - 294

Precursor 2
134-81-6 603-81-6
DownStream 0

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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