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ChemicalBook >> CAS DataBase List >> Pyrazinecarboxamide, 4,5-dihydro-5-oxo

Pyrazinecarboxamide, 4,5-dihydro-5-oxo

Pyrazinecarboxamide, 4,5-dihydro-5-oxo price.
  • $89 - $3900
  • Product name: Pyrazinecarboxamide, 4,5-dihydro-5-oxo
  • CAS: 13924-96-4
  • MF: C5H5N3O2
  • MW: 139.11
  • EINECS:
  • MDL Number:MFCD19160577
  • Synonyms:5-Hydroxypyrazinamide;Pyrazinecarboxamide, 4,5-dihydro-5-oxo;2-Pyrazinecarboxamide, 4,5-dihydro-5-oxo-;6-oxo-1H-pyrazine-3-carboxamide;5-Hydroxy-pyrazine-2-carboxylic acid amide
22 prices
Selected condition:
Brand
  • aablocks
  • ACHEMBLOCK
  • Activate Scientific
  • Biosynth
  • Chemenu
  • ChemScene
  • Crysdot
  • Medical Isotopes, Inc.
  • TRC
Package
  • 50mg
  • 100mg
  • 250mg
  • 0.5g
  • 500mg
  • 1g
  • 5g
  • 10g
  • 25g
  • Manufactureraablocks
  • Product numberAA00AJHZ
  • Product description4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 97%
  • Packaging100mg
  • Price$100
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00AJHZ
  • Product description4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 95%
  • Packaging250mg
  • Price$107
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00AJHZ
  • Product description4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 95%
  • Packaging1g
  • Price$285
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00AJHZ
  • Product description4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 95%
  • Packaging5g
  • Price$840
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00AJHZ
  • Product description4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 95%
  • Packaging10g
  • Price$1342
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00AJHZ
  • Product description4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 95%
  • Packaging25g
  • Price$2676
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW166736
  • Product description5-hydroxypyrazine-2-carboxamide 95%
  • Packaging25G
  • Price$3900
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW166736
  • Product description5-hydroxypyrazine-2-carboxamide 95%
  • Packaging5G
  • Price$975
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW166736
  • Product description5-hydroxypyrazine-2-carboxamide 95%
  • Packaging1G
  • Price$290
  • Updated2026-05-27
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS180561
  • Product description5-Hydroxypyrazine-2-carboxamide 97%
  • Packaging250mg
  • Price$180
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS180561
  • Product description5-Hydroxypyrazine-2-carboxamide 97%
  • Packaging1g
  • Price$435
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberNAA92496
  • Product description5-Hydroxypyrazine-2-carboxamide
  • Packaging50mg
  • Price$906
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberNAA92496
  • Product description5-Hydroxypyrazine-2-carboxamide
  • Packaging0.5g
  • Price$1026.6
  • Updated2026-06-04
  • Buy
  • ManufacturerChemenu
  • Product numberCM319455
  • Product description5-Hydroxypyrazine-2-carboxamide 95%
  • Packaging5g
  • Price$1131
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM319455
  • Product description5-Hydroxypyrazine-2-carboxamide 95%+
  • Packaging100mg
  • Price$89
  • Updated2026-05-26
  • Buy
  • ManufacturerChemenu
  • Product numberCM319455
  • Product description5-Hydroxypyrazine-2-carboxamide 95%+
  • Packaging250mg
  • Price$150
  • Updated2026-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00AJHZ 4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 97% 100mg $100 2026-05-28 Buy
aablocks AA00AJHZ 4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 95% 250mg $107 2026-05-28 Buy
aablocks AA00AJHZ 4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 95% 1g $285 2026-05-28 Buy
aablocks AA00AJHZ 4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 95% 5g $840 2026-05-28 Buy
aablocks AA00AJHZ 4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 95% 10g $1342 2026-05-28 Buy
aablocks AA00AJHZ 4,5-Dihydro-5-oxo-2-pyrazinecarboxamide 95% 25g $2676 2026-05-28 Buy
ACHEMBLOCK W166736 5-hydroxypyrazine-2-carboxamide 95% 25G $3900 2026-05-27 Buy
ACHEMBLOCK W166736 5-hydroxypyrazine-2-carboxamide 95% 5G $975 2026-05-27 Buy
ACHEMBLOCK W166736 5-hydroxypyrazine-2-carboxamide 95% 1G $290 2026-05-27 Buy
Activate Scientific AS180561 5-Hydroxypyrazine-2-carboxamide 97% 250mg $180 2026-06-04 Buy
Activate Scientific AS180561 5-Hydroxypyrazine-2-carboxamide 97% 1g $435 2026-06-04 Buy
Biosynth NAA92496 5-Hydroxypyrazine-2-carboxamide 50mg $906 2026-06-04 Buy
Biosynth NAA92496 5-Hydroxypyrazine-2-carboxamide 0.5g $1026.6 2026-06-04 Buy
Chemenu CM319455 5-Hydroxypyrazine-2-carboxamide 95% 5g $1131 2021-12-16 Buy
Chemenu CM319455 5-Hydroxypyrazine-2-carboxamide 95%+ 100mg $89 2026-05-26 Buy
Chemenu CM319455 5-Hydroxypyrazine-2-carboxamide 95%+ 250mg $150 2026-05-26 Buy

Properties

Melting point :292-295 °C
Density :1.63±0.1 g/cm3(Predicted)
solubility :Aqueous Base (Slightly), DMSO (Slightly), Methanol (Slightly, Heated)
pka :10.69±0.40(Predicted)
form :Solid
color :Light Yellow to Beige
Stability :Hygroscopic

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
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
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.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
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.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P330 Rinse mouth.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

5-Hydroxypyrazinecarboxamide is a metabolite of Pyrazinamide (P840600), an antibacterial (tuberculostatic).