天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

Welcome to chemicalbook!
400-158-6606
Inquriy
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook >> CAS DataBase List >> 2,3-Pyrazinecarboxylic anhydride

2,3-Pyrazinecarboxylic anhydride

2,3-Pyrazinecarboxylic anhydride price.
  • $7 - $1005.43
  • Product name: 2,3-Pyrazinecarboxylic anhydride
  • CAS: 4744-50-7
  • MF: C6H2N2O3
  • MW: 150.09
  • EINECS:225-260-4
  • MDL Number:MFCD00179418
  • Synonyms:2,3-PYRAZINECARBOXYLIC ANHYDRIDE;2,3-PYRAZINEDICARBOXLIC ANHYDRIDE;2,3-PYRAZINEDICARBOXYLICANHYDRATE;2,3-Pyrazinedicarboxylic acid anhydride;Furo[3,4-b]pyrazine-5,7-dione (9CI);5,7-Dihydrofuro[3,4-b]pyrazine-5,7-dione;Name: 2,3-Pyrazinedicarboxylic anhydride;furo[3,4-b]pyrazine-5,7-quinone
24 prices
Selected condition：
Brand
  • AHH
  • AK Scientific
  • Ambeed
  • American Custom Chemicals Corporation
  • Atlantic Research Chemicals
  • BLDpharm
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TRC
Package
  • 1G
  • 2.5G
  • 5g
  • 10g
  • 25g
  • 100g
  • 250g
  • 500g
  • 5gm:
  • ManufacturerAHH
  • Product numberMT-21871
  • Product description2,3-Pyrazinedicarboxylic anhydride 97%
  • Packaging250g
  • Price$708
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberV1227
  • Product description2,3-Pyrazinedicarboxylic anhydride
  • Packaging5g
  • Price$14
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ50409
  • Product description2,3-Pyrazinedicarboxylic anhydride
  • Packaging500g
  • Price$415
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA162440
  • Product description2,3-Pyrazinecarboxylicanhydride 98%
  • Packaging5g
  • Price$7
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA162440
  • Product description2,3-Pyrazinecarboxylicanhydride 98%
  • Packaging25g
  • Price$30
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA162440
  • Product description2,3-Pyrazinecarboxylicanhydride 98%
  • Packaging100g
  • Price$110
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA162440
  • Product description2,3-Pyrazinecarboxylicanhydride 98%
  • Packaging500g
  • Price$385
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0019466
  • Product description2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE 95.00%
  • Packaging1G
  • Price$648.81
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0019466
  • Product description2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE 95.00%
  • Packaging2.5G
  • Price$852.21
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0019466
  • Product description2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE 95.00%
  • Packaging5G
  • Price$1005.43
  • Updated2021-12-16
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberXS10022
  • Product descriptionFuro[3,4-b]pyrazine-5,7-dione 95%
  • Packaging5gm:
  • Price$14.14
  • Updated2021-12-16
  • Buy
  • ManufacturerBLDpharm
  • Product numberBD3092
  • Product description2,3-Pyrazinecarboxylicanhydride 98%
  • Packaging5g
  • Price$7
  • Updated2021-12-16
  • Buy
  • ManufacturerBLDpharm
  • Product numberBD3092
  • Product description2,3-Pyrazinecarboxylicanhydride 98%
  • Packaging25g
  • Price$29
  • Updated2021-12-16
  • Buy
  • ManufacturerBLDpharm
  • Product numberBD3092
  • Product description2,3-Pyrazinecarboxylicanhydride 98%
  • Packaging100g
  • Price$110
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM168547
  • Product description2,3-Pyrazinedicarboxylic anhydride 95%+
  • Packaging100g
  • Price$108
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11120378
  • Product descriptionFuro[3,4-b]pyrazine-5,7-dione 97%
  • Packaging25g
  • Price$48
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-21871 2,3-Pyrazinedicarboxylic anhydride 97% 250g $708 2021-12-16 Buy
AK Scientific V1227 2,3-Pyrazinedicarboxylic anhydride 5g $14 2021-12-16 Buy
AK Scientific J50409 2,3-Pyrazinedicarboxylic anhydride 500g $415 2021-12-16 Buy
Ambeed A162440 2,3-Pyrazinecarboxylicanhydride 98% 5g $7 2021-12-16 Buy
Ambeed A162440 2,3-Pyrazinecarboxylicanhydride 98% 25g $30 2021-12-16 Buy
Ambeed A162440 2,3-Pyrazinecarboxylicanhydride 98% 100g $110 2021-12-16 Buy
Ambeed A162440 2,3-Pyrazinecarboxylicanhydride 98% 500g $385 2021-12-16 Buy
American Custom Chemicals Corporation CHM0019466 2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE 95.00% 1G $648.81 2021-12-16 Buy
American Custom Chemicals Corporation CHM0019466 2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE 95.00% 2.5G $852.21 2021-12-16 Buy
American Custom Chemicals Corporation CHM0019466 2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE 95.00% 5G $1005.43 2021-12-16 Buy
Atlantic Research Chemicals XS10022 Furo[3,4-b]pyrazine-5,7-dione 95% 5gm: $14.14 2021-12-16 Buy
BLDpharm BD3092 2,3-Pyrazinecarboxylicanhydride 98% 5g $7 2021-12-16 Buy
BLDpharm BD3092 2,3-Pyrazinecarboxylicanhydride 98% 25g $29 2021-12-16 Buy
BLDpharm BD3092 2,3-Pyrazinecarboxylicanhydride 98% 100g $110 2021-12-16 Buy
Chemenu CM168547 2,3-Pyrazinedicarboxylic anhydride 95%+ 100g $108 2021-12-16 Buy
Crysdot CD11120378 Furo[3,4-b]pyrazine-5,7-dione 97% 25g $48 2021-12-16 Buy

Properties

Melting point :210 °C (dec.)(lit.)
Boiling point :357.3±22.0 °C(Predicted)
Density :1.686±0.06 g/cm3(Predicted)
storage temp. :Inert atmosphere,Room Temperature
solubility :Actonitrile (Slightly), DMSO
form :Solid
pka :-3.43±0.20(Predicted)
color :White to light brown crystalline powder
InChI :InChI=1S/C6H2N2O3/c9-5-3-4(6(10)11-5)8-2-1-7-3/h1-2H
InChIKey :AWJWCTOOIBYHON-UHFFFAOYSA-N
SMILES :C12C(=O)OC(=O)C1=NC=CN=2
LogP :-0.900 (est)
CAS DataBase Reference :4744-50-7(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

2,?3-?Pyrazinedicarboxylic Anhydride is a reagent used in the synthesis of highly potent and selective abietane type diterpenoid amides.

Related product price