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ChemicalBook >> CAS DataBase List >> 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one

2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one

2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one price.
  • $8 - $1014.9
  • Product name: 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one
  • CAS: 34682-99-0
  • MF: C5H4N4OS
  • MW: 168.18
  • EINECS:
  • MDL Number:MFCD04110174
  • Synonyms:2-sulfanylidene-6H-pyrazolo[1,5-a][1,3,5]triazin-4-one;2,3-dihydro-2-thioxo-Pyrazolo[1,5-a]-1,3,5-triazin-4(1H)-one;2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one;2-sulfanylidene-1H,2H,3H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one;Pyrazolo[1,5-a]-1,3,5-triazin-4(1H)-one, 2,3-dihydro-2-thioxo-
Price21 Properties Safety Information Description
21 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AK Scientific
  • Alichem
  • Biosynth
  • Chemenu
  • Crysdot
  • Matrix Scientific
Package
  • 100.00mg
  • 100mg
  • 250mg
  • 250.00mg
  • 1g
  • 1.00g
  • 5G
  • 10g
  • 25G
  • Manufactureraablocks
  • Product numberAA00CKL3
  • Product description2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 98%
  • Packaging100mg
  • Price$8
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00CKL3
  • Product description2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 98%
  • Packaging250mg
  • Price$19
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00CKL3
  • Product description2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 98%
  • Packaging1g
  • Price$51
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberS75994
  • Product description2-sulfanylidene-1H,2H,3H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one 97%
  • Packaging5G
  • Price$130
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberS75994
  • Product description2-sulfanylidene-1H,2H,3H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one 97%
  • Packaging25G
  • Price$520
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product number2184AL
  • Product description2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one
  • Packaging1g
  • Price$651
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number34682990
  • Product description2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one
  • Packaging10g
  • Price$1014.9
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number34682990
  • Product description2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one
  • Packaging5g
  • Price$626.85
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number34682990
  • Product description2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one
  • Packaging1g
  • Price$208.95
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberJBA68299
  • Product description2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one
  • Packaging5g
  • Price$413
  • Updated2026-06-04
  • Buy
  • ManufacturerChemenu
  • Product numberCM188026
  • Product description2-Thioxo-2,3-dihydropyrazolo-[1,5-a][1,3,5]triazin-4(1H)-one 95%+
  • Packaging1g
  • Price$171
  • Updated2026-05-26
  • Buy
  • ManufacturerChemenu
  • Product numberCM188026
  • Product description2-Thioxo-2,3-dihydropyrazolo-[1,5-a][1,3,5]triazin-4(1H)-one 95+%
  • Packaging100mg
  • Price$62
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM188026
  • Product description2-Thioxo-2,3-dihydropyrazolo-[1,5-a][1,3,5]triazin-4(1H)-one 95%+
  • Packaging250mg
  • Price$88
  • Updated2026-05-26
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11139006
  • Product description2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 95+%
  • Packaging250mg
  • Price$80
  • Updated2026-05-26
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11139006
  • Product description2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 95+%
  • Packaging1g
  • Price$199
  • Updated2026-05-26
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11139006
  • Product description2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 95+%
  • Packaging5g
  • Price$597
  • Updated2026-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00CKL3 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 98% 100mg $8 2026-05-28 Buy
aablocks AA00CKL3 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 98% 250mg $19 2026-05-28 Buy
aablocks AA00CKL3 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 98% 1g $51 2026-05-28 Buy
ACHEMBLOCK S75994 2-sulfanylidene-1H,2H,3H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one 97% 5G $130 2026-05-27 Buy
ACHEMBLOCK S75994 2-sulfanylidene-1H,2H,3H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one 97% 25G $520 2026-05-27 Buy
AK Scientific 2184AL 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 1g $651 2021-12-16 Buy
Alichem 34682990 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 10g $1014.9 2021-12-16 Buy
Alichem 34682990 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 5g $626.85 2021-12-16 Buy
Alichem 34682990 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 1g $208.95 2021-12-16 Buy
Biosynth JBA68299 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 5g $413 2026-06-04 Buy
Chemenu CM188026 2-Thioxo-2,3-dihydropyrazolo-[1,5-a][1,3,5]triazin-4(1H)-one 95%+ 1g $171 2026-05-26 Buy
Chemenu CM188026 2-Thioxo-2,3-dihydropyrazolo-[1,5-a][1,3,5]triazin-4(1H)-one 95+% 100mg $62 2021-12-16 Buy
Chemenu CM188026 2-Thioxo-2,3-dihydropyrazolo-[1,5-a][1,3,5]triazin-4(1H)-one 95%+ 250mg $88 2026-05-26 Buy
Crysdot CD11139006 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 95+% 250mg $80 2026-05-26 Buy
Crysdot CD11139006 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 95+% 1g $199 2026-05-26 Buy
Crysdot CD11139006 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one 95+% 5g $597 2026-05-26 Buy
Next Last

Properties

Melting point :284-286 °C(Solv: methanol (67-56-1))
Density :1.93±0.1 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
pka :6.56±0.20(Predicted)
Appearance :White to off-white Solid
InChI :InChI=1S/C5H4N4OS/c10-5-8-4(11)7-3-1-2-6-9(3)5/h1-2H,(H2,7,8,10,11)
InChIKey :OOXVDMMAVZXHFW-UHFFFAOYSA-N
SMILES :N12N=CC=C1NC(=S)NC2=O

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.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

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Suppliers and manufacturers

Shanghai JingRon Chemical Technology Co., Ltd. Shangchem Co., Ltd. Shanghai Topbiochem Technology Co., Ltd Shanghai Raise Chemical Technology Co.,Ltd Bide Pharmatech Ltd. Beijing FYF Chemicals Co., Ltd Modachem Shanghai Co., Ltd Jiaxing Novartis Chemical Co., Ltd. Shanghai YuanYe Biotechnology Co., Ltd. Shanghai QianYan Bio-technology Co., Ltd