Welcome to chemicalbook!
China English Japan Germany
400-158-6606
18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
Structured search
Inquriy
Try our best to find the right business for you.
Messages
Do not miss inquiry messages Please log in to view all inquiry messages.
My chemicalbook My chemicalbook

Welcome back!

RFQ
skype
MY Account
Top
ChemicalBook >> CAS DataBase List >> 4-Oxo-4H-1-benzopyran-2-carboxylic acid

4-Oxo-4H-1-benzopyran-2-carboxylic acid

4-Oxo-4H-1-benzopyran-2-carboxylic acid price.
  • $6 - $1667.82
  • Product name: 4-Oxo-4H-1-benzopyran-2-carboxylic acid
  • CAS: 4940-39-0
  • MF: C10H6O4
  • MW: 190.15
  • EINECS:225-583-0
  • MDL Number:MFCD00006838
  • Synonyms:4-oxo-4h-1-benzopyran-2-carboxylicaci ;4-OXO-4H-1-BENZOPYRAN-2-CARBOXYLIC ACID;4-OXO-4H-BENZOPYRAN-2-CARBOXYLIC ACID;4-OXO-4H-CHROMENE-2-CARBOXYLIC ACID;CHROMONE-2-CARBOXYLIC ACID;CHROMOCARB;LABOTEST-BB LT00454887;4-Oxo-4H-1-benzopyran-2-carboxylic acid, 97% 5GR
Price32 Properties Safety Information Description
32 prices
Selected condition：
Brand
  • AHH
  • AK Scientific
  • Alfa Aesar
  • American Custom Chemicals Corporation
  • Arctom
  • Biosynth Carbosynth
  • Chem-Impex
  • Crysdot
  • Heterocyclics
  • Matrix Scientific
  • Sigma-Aldrich
  • SynQuest Laboratories
  • TCI Chemical
  • TRC
Package
  • 100mg
  • 250mg
  • 1G
  • 5g
  • 10G
  • 25g
  • 50g
  • 100g
  • 250g
  • ManufacturerAHH
  • Product numberMT-06733
  • Product descriptionChromone-2-carboxylic Acid 98%
  • Packaging100g
  • Price$298
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberQ157
  • Product descriptionChromone-2-carboxylic Acid
  • Packaging100g
  • Price$321
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA13552
  • Product descriptionChromone-2-carboxylic acid, 97%
  • Packaging5g
  • Price$48.8
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA13552
  • Product descriptionChromone-2-carboxylic acid, 97%
  • Packaging25g
  • Price$152
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA13552
  • Product descriptionChromone-2-carboxylic acid 97%
  • Packaging100g
  • Price$570
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCOR0002982
  • Product descriptionCHROMONE-2-CARBOXYLIC ACID 95.00%
  • Packaging1G
  • Price$117.6
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCOR0002982
  • Product descriptionCHROMONE-2-CARBOXYLIC ACID 95.00%
  • Packaging5G
  • Price$1189.65
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCOR0002982
  • Product descriptionCHROMONE-2-CARBOXYLIC ACID 95.00%
  • Packaging10G
  • Price$1667.82
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS587322
  • Product description4-Oxo-4H-chromene-2-carboxylicacid 98%
  • Packaging100mg
  • Price$6
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS587322
  • Product description4-Oxo-4H-chromene-2-carboxylicacid 98%
  • Packaging250mg
  • Price$9
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS587322
  • Product description4-Oxo-4H-chromene-2-carboxylicacid 98%
  • Packaging1g
  • Price$11
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS587322
  • Product description4-Oxo-4H-chromene-2-carboxylicacid 98%
  • Packaging5g
  • Price$27
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS587322
  • Product description4-Oxo-4H-chromene-2-carboxylicacid 98%
  • Packaging10g
  • Price$45
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS587322
  • Product description4-Oxo-4H-chromene-2-carboxylicacid 98%
  • Packaging25g
  • Price$100
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC31629
  • Product descriptionChromone-2-carboxylic acid
  • Packaging10g
  • Price$85
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC31629
  • Product descriptionChromone-2-carboxylic acid
  • Packaging25g
  • Price$170
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-06733 Chromone-2-carboxylic Acid 98% 100g $298 2021-12-16 Buy
AK Scientific Q157 Chromone-2-carboxylic Acid 100g $321 2021-12-16 Buy
Alfa Aesar A13552 Chromone-2-carboxylic acid, 97% 5g $48.8 2023-06-20 Buy
Alfa Aesar A13552 Chromone-2-carboxylic acid, 97% 25g $152 2023-06-20 Buy
Alfa Aesar A13552 Chromone-2-carboxylic acid 97% 100g $570 2021-12-16 Buy
American Custom Chemicals Corporation COR0002982 CHROMONE-2-CARBOXYLIC ACID 95.00% 1G $117.6 2021-12-16 Buy
American Custom Chemicals Corporation COR0002982 CHROMONE-2-CARBOXYLIC ACID 95.00% 5G $1189.65 2021-12-16 Buy
American Custom Chemicals Corporation COR0002982 CHROMONE-2-CARBOXYLIC ACID 95.00% 10G $1667.82 2021-12-16 Buy
Arctom AS587322 4-Oxo-4H-chromene-2-carboxylicacid 98% 100mg $6 2021-12-16 Buy
Arctom AS587322 4-Oxo-4H-chromene-2-carboxylicacid 98% 250mg $9 2021-12-16 Buy
Arctom AS587322 4-Oxo-4H-chromene-2-carboxylicacid 98% 1g $11 2021-12-16 Buy
Arctom AS587322 4-Oxo-4H-chromene-2-carboxylicacid 98% 5g $27 2021-12-16 Buy
Arctom AS587322 4-Oxo-4H-chromene-2-carboxylicacid 98% 10g $45 2021-12-16 Buy
Arctom AS587322 4-Oxo-4H-chromene-2-carboxylicacid 98% 25g $100 2021-12-16 Buy
Biosynth Carbosynth FC31629 Chromone-2-carboxylic acid 10g $85 2021-12-16 Buy
Biosynth Carbosynth FC31629 Chromone-2-carboxylic acid 25g $170 2021-12-16 Buy
Next Last

Properties

Melting point :260 °C (dec.)(lit.)
Boiling point :285.64°C (rough estimate)
Density :1.3366 (rough estimate)
refractive index :1.5280 (estimate)
storage temp. :Sealed in dry,Room Temperature
solubility :alcohol: soluble
pka :2.28±0.20(Predicted)
form :Powder
color :White to beige
Water Solubility :sparingly soluble
Merck :14,2237
BRN :146442
CAS DataBase Reference :4940-39-0(CAS DataBase Reference)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Chromone-2-carboxylic acid is used in the cyclic form 3?-oxopyrazolidino[4?,5??2, 3]-chroman-4-one, gives the azide of chromone-2-carboxylic acid, the curtius rearrangement of which is used to synthesize a number of 2-acylaminochromones and it is an orally active antiallergic agent.

More related product prices

Benzoic acid Tretinoin 2234-16-4 ACETIC ACID Bis(2-ethylhexyl) phthalate Tetrahydro-4H-pyran-4-one Chromium picolinate Ketanserin Acetophenone CHROMONE Calcium formate Benzophenone Methyl formate Sodium cromoglycate 99199-59-4 39079-62-4

Related product price

Suppliers and manufacturers

career henan chemical co
4-Oxo-4H-1-benzopyran-2-carboxylic acid
$1.00 /1KG
4-Oxo-4H-1-benzopyran-2-carboxylic acid CAS:4940-39-0
Capot Chemical Co.,Ltd.
ATK CHEMICAL COMPANY LIMITED
Hubei Jusheng Technology Co.,Ltd.
Accela ChemBio Inc.
Shandong chuangyingchemical Co., Ltd.
Chongqing Chemdad Co., Ltd
Alchem Pharmtech,Inc.
CONIER CHEM AND PHARMA LIMITED
Neostar United (Changzhou) Industrial Co., Ltd.