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ChemicalBook >> CAS DataBase List >> 4-oxo-3H-pyrazolo[1,5-a]1,3,5-triazine

4-oxo-3H-pyrazolo[1,5-a]1,3,5-triazine

4-oxo-3H-pyrazolo[1,5-a]1,3,5-triazine price.
  • $20 - $5120
  • Product name: 4-oxo-3H-pyrazolo[1,5-a]1,3,5-triazine
  • CAS: 54346-27-9
  • MF: C5H4N4O
  • MW: 136.11
  • EINECS:-0
  • MDL Number:MFCD20617746
  • Synonyms:4-oxo-3H-pyrazolo[1,5-a]1,3,5-triazine;Pyrazolo[1,5-a][1,3,5]triazin-4(3H)-one;1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one;Pyrazolo[1,5-a][1,3,5]triazin-4(1H)-one;6H-pyrazolo[1,5-a][1,3,5]triazin-4-one;4-Oxo-3H-pyrazolo<1,5-a>-1,3,5-triazin
Price41 Properties Safety Information Description
41 prices
Selected condition：
Brand
  • aablocks
  • AccelPharmtech
  • ACHEMBLOCK
  • Activate Scientific
  • AK Scientific
  • Ambeed
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Biosynth
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • Synthonix
  • TRC
Package
  • 5MG
  • 100mg
  • 250mg
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  • 1g
  • 1.00g
  • 5.00g
  • 5g
  • 5000mg
  • 10g
  • 10.00g
  • 25G
  • 100g
  • Manufactureraablocks
  • Product numberAA0038KV
  • Product descriptionPyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 97%
  • Packaging250mg
  • Price$32
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0038KV
  • Product descriptionPyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 97%
  • Packaging1g
  • Price$48
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0038KV
  • Product descriptionPyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 97%
  • Packaging100mg
  • Price$20
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0038KV
  • Product descriptionPyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 97%
  • Packaging5g
  • Price$155
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0038KV
  • Product descriptionPyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 97%
  • Packaging10g
  • Price$293
  • Updated2026-05-28
  • Buy
  • ManufacturerAccelPharmtech
  • Product numberP8042
  • Product descriptionPyrazolo[1,5-a]-1,3,5-triazin-4(3H)-one 97.00%
  • Packaging1G
  • Price$2370
  • Updated2026-05-21
  • Buy
  • ManufacturerAccelPharmtech
  • Product numberP8042
  • Product descriptionPyrazolo[1,5-a]-1,3,5-triazin-4(3H)-one 97.00%
  • Packaging5G
  • Price$2750
  • Updated2026-05-21
  • Buy
  • ManufacturerAccelPharmtech
  • Product numberP8042
  • Product descriptionPyrazolo[1,5-a]-1,3,5-triazin-4(3H)-one 97.00%
  • Packaging25G
  • Price$5120
  • Updated2026-05-21
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberL14583
  • Product description1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one 97%
  • Packaging1G
  • Price$310
  • Updated2021-12-16
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberL14583
  • Product description1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one 97%
  • Packaging25G
  • Price$820
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberL14583
  • Product description1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one 97%
  • Packaging5G
  • Price$205
  • Updated2026-05-27
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS59090
  • Product description1H,4H-Pyrazolo[1,5-a][1,3,5]triazin-4-one 97%
  • Packaging1g
  • Price$106
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS59090
  • Product description1H,4H-Pyrazolo[1,5-a][1,3,5]triazin-4-one 97%
  • Packaging5g
  • Price$364
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product number7832AB
  • Product descriptionPyrazolo[1,5-a][1,3,5]triazin-4(3H)-one
  • Packaging5g
  • Price$705
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number7832AB
  • Product descriptionPyrazolo[1,5-a][1,3,5]triazin-4(3H)-one
  • Packaging250mg
  • Price$104
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number7832AB
  • Product descriptionPyrazolo[1,5-a][1,3,5]triazin-4(3H)-one
  • Packaging1g
  • Price$213
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0038KV Pyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 97% 250mg $32 2026-05-28 Buy
aablocks AA0038KV Pyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 97% 1g $48 2026-05-28 Buy
aablocks AA0038KV Pyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 97% 100mg $20 2026-05-28 Buy
aablocks AA0038KV Pyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 97% 5g $155 2026-05-28 Buy
aablocks AA0038KV Pyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 97% 10g $293 2026-05-28 Buy
AccelPharmtech P8042 Pyrazolo[1,5-a]-1,3,5-triazin-4(3H)-one 97.00% 1G $2370 2026-05-21 Buy
AccelPharmtech P8042 Pyrazolo[1,5-a]-1,3,5-triazin-4(3H)-one 97.00% 5G $2750 2026-05-21 Buy
AccelPharmtech P8042 Pyrazolo[1,5-a]-1,3,5-triazin-4(3H)-one 97.00% 25G $5120 2026-05-21 Buy
ACHEMBLOCK L14583 1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one 97% 1G $310 2021-12-16 Buy
ACHEMBLOCK L14583 1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one 97% 25G $820 2026-05-27 Buy
ACHEMBLOCK L14583 1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one 97% 5G $205 2026-05-27 Buy
Activate Scientific AS59090 1H,4H-Pyrazolo[1,5-a][1,3,5]triazin-4-one 97% 1g $106 2026-06-04 Buy
Activate Scientific AS59090 1H,4H-Pyrazolo[1,5-a][1,3,5]triazin-4-one 97% 5g $364 2026-06-04 Buy
AK Scientific 7832AB Pyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 5g $705 2021-12-16 Buy
AK Scientific 7832AB Pyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 250mg $104 2021-12-16 Buy
AK Scientific 7832AB Pyrazolo[1,5-a][1,3,5]triazin-4(3H)-one 1g $213 2021-12-16 Buy
Next Last

Properties

Melting point :270 °C (decomp)
Density :1.74±0.1 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
pka :8.89±0.20(Predicted)
Appearance :Light yellow to brown Solid

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
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 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:
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.

Description

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2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 2-(METHYLTHIO)PYRAZOLO[1,5-A][1,3,5]TRIAZIN-4(3H)-ONE Pyrazolo[1,5-a]-1,3,5-triazin-4(1H)-one, 2-methyl- (9CI) Pyrazolo[1,5-a]-1,3,5-triazin-4(1H)-one, 7-methyl- (9CI)

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Suppliers and manufacturers

Accendatech Co., LTD. Shanghai XR Chemical Technology Co., Ltd. Shanghai PharmaPartner Co., Ltd. Shanghai Rechem science Co., Ltd. Amadis Chemical Company Limited Capot Chemical Co.,Ltd. Aikon International Limited Yujinpharma(Tianjin) Technology Co.,Ltd. Shanghai Jizhi Biochemical Technology Co. Ltd. Shanghai Moss Medicine Technology Co., Ltd.