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ChemicalBook >> CAS DataBase List >> 2(1H)-Pyrazinone, 3-phenyl-

2(1H)-Pyrazinone, 3-phenyl-

2(1H)-Pyrazinone, 3-phenyl- price.
  • $65 - $2120
  • Product name: 2(1H)-Pyrazinone, 3-phenyl-
  • CAS: 2882-18-0
  • MF: C10H8N2O
  • MW: 172.18
  • EINECS:
  • MDL Number:
  • Synonyms:2(1H)-Pyrazinone, 3-phenyl-;3-Phenylpyrazin-2(1H)-one;2-hydroxy-3-phenylpyrazine;3-Phenyl-1H-pyrazin-2-one;3-Phenyl-2(1H)-pyrazinone;Cefaclor Impurity 6(Cefaclor EP Impurity F);Cefaclor EP Impurity F;Ampicillin Impurity 8（Ampicillin EP Impurity H）
Price17 Properties Safety Information Description
17 prices
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Brand
  • aablocks
  • ACHEMBLOCK
  • Activate Scientific
  • Alichem
  • Apolloscientific
  • Chemenu
  • Crysdot
  • SynQuest Laboratories
  • TRC
  • Usbiological
Package
  • 10mg
  • 25mg
  • 250mg
  • 1g
  • 5G
  • 25G
  • Manufactureraablocks
  • Product numberAA002WKV
  • Product description3-Phenylpyrazin-2(1H)-one >97%
  • Packaging1g
  • Price$120
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002WKV
  • Product description3-Phenylpyrazin-2(1H)-one >97%
  • Packaging250mg
  • Price$65
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberU137395
  • Product description3-Phenylpyrazin-2(1H)-one 97%
  • Packaging5G
  • Price$530
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberU137395
  • Product description3-Phenylpyrazin-2(1H)-one 97%
  • Packaging1G
  • Price$160
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberU137395
  • Product description3-Phenylpyrazin-2(1H)-one 97%
  • Packaging25G
  • Price$2120
  • Updated2026-05-27
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS28053
  • Product description3-Phenylpyrazin-2(1H)-one 97%
  • Packaging5g
  • Price$638
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS28053
  • Product description3-Phenylpyrazin-2(1H)-one 97%
  • Packaging1g
  • Price$199
  • Updated2026-06-04
  • Buy
  • ManufacturerAlichem
  • Product number2882180
  • Product description2-Hydroxy-3-phenylpyrazine
  • Packaging5g
  • Price$715
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR470876
  • Product description3-Phenylpyrazin-2(1H)-one
  • Packaging5g
  • Price$802
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR470876
  • Product description3-Phenylpyrazin-2(1H)-one
  • Packaging1g
  • Price$305
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM168927
  • Product description2-Hydroxy-3-phenylpyrazine 95%
  • Packaging1g
  • Price$326
  • Updated2026-05-26
  • Buy
  • ManufacturerChemenu
  • Product numberCM168927
  • Product description2-Hydroxy-3-phenylpyrazine 95%
  • Packaging5g
  • Price$608
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11153213
  • Product description2-Hydroxy-3-phenylpyrazine 95+%
  • Packaging5g
  • Price$644
  • Updated2026-05-26
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number4H48-1-VX
  • Product description3-Phenylpyrazin-2(1H)-one
  • Packaging5G
  • Price$885
  • Updated2021-12-16
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number4H48-1-VX
  • Product description3-Phenylpyrazin-2(1H)-one
  • Packaging1g
  • Price$336
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberH950200
  • Product description2-Hydroxy-3-phenylpyrazine
  • Packaging10mg
  • Price$120
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002WKV 3-Phenylpyrazin-2(1H)-one >97% 1g $120 2026-05-28 Buy
aablocks AA002WKV 3-Phenylpyrazin-2(1H)-one >97% 250mg $65 2026-05-28 Buy
ACHEMBLOCK U137395 3-Phenylpyrazin-2(1H)-one 97% 5G $530 2026-05-27 Buy
ACHEMBLOCK U137395 3-Phenylpyrazin-2(1H)-one 97% 1G $160 2026-05-27 Buy
ACHEMBLOCK U137395 3-Phenylpyrazin-2(1H)-one 97% 25G $2120 2026-05-27 Buy
Activate Scientific AS28053 3-Phenylpyrazin-2(1H)-one 97% 5g $638 2026-06-04 Buy
Activate Scientific AS28053 3-Phenylpyrazin-2(1H)-one 97% 1g $199 2026-06-04 Buy
Alichem 2882180 2-Hydroxy-3-phenylpyrazine 5g $715 2021-12-16 Buy
Apolloscientific OR470876 3-Phenylpyrazin-2(1H)-one 5g $802 2021-12-16 Buy
Apolloscientific OR470876 3-Phenylpyrazin-2(1H)-one 1g $305 2021-12-16 Buy
Chemenu CM168927 2-Hydroxy-3-phenylpyrazine 95% 1g $326 2026-05-26 Buy
Chemenu CM168927 2-Hydroxy-3-phenylpyrazine 95% 5g $608 2021-12-16 Buy
Crysdot CD11153213 2-Hydroxy-3-phenylpyrazine 95+% 5g $644 2026-05-26 Buy
SynQuest Laboratories 4H48-1-VX 3-Phenylpyrazin-2(1H)-one 5G $885 2021-12-16 Buy
SynQuest Laboratories 4H48-1-VX 3-Phenylpyrazin-2(1H)-one 1g $336 2021-12-16 Buy
TRC H950200 2-Hydroxy-3-phenylpyrazine 10mg $120 2021-12-16 Buy
Next Last

Properties

Melting point :172-174℃
Density :1.20
storage temp. :Refrigerator
solubility :Chloroform (Slightly), Methanol (Slightly)
pka :11.26±0.40(Predicted)
form :Solid
color :Pale Yellow

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H320 Causes eye irritation Serious eye damage/eye irritation Category 2B Warning P264, P305+P351+P338,P337+P313
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
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-Hydroxy-3-phenylpyrazine (Cefaclor EP Impurity F) is a degradation product of Cefaclor (C235250), a second-generation cephalosporin antibiotic.

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Cefaclor D-2-Phenylglycine 7-Amino-3-chloro cephalosporanic acid [2R-[2α[R*(R*)],4β]]-α-[(AMinophenylacetyl)aMino]-4-carboxy-5,5-diMethyl-2 AMpicillin EP IMpurity C 152575-13-8 Ethambutol Ampicillin

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Accela ChemBio Co.,Ltd. Chemsky（shanghai）International Co.,Ltd. Hangzhou Sage Chemical Co., Ltd. Shanghai TaoSu Biochemical Technology Co., Ltd. Shanghai Kewel Chemical Co., Ltd. BOC Sciences Amadis Chemical Company Limited Hubei Yangxin Medical Technology Co., Ltd. Shanghai CR Corporation Limited