Welcome to chemicalbook!
China English Japan Germany
010-86108875
18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
Structure Search
RFQ
Try our best to find the right business for you.
Messages
Do not miss inquiry messages Please log in to view all inquiry messages.
My chemicalbook Sign in

Welcome back!

RFQ
skype
MY Account
Top
ChemicalBook >> CAS DataBase List >> Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate

Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate

Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate price.
  • $9 - $2998
  • Product name: Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate
  • CAS: 926663-00-5
  • MF: C9H9N3O3
  • MW: 207.19
  • EINECS:
  • MDL Number:MFCD12407818
  • Synonyms:ethyl 5-oxo-4H,5H-pyrazolo[1,5-a]pyrimidine-3-carboxylate;Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate;5-Oxo-1,5-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester;Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 4,5-dihydro-5-oxo-, ethyl ester;ethyl 5-oxo-4H-pyrazolo[1,5-a]pyrimidine-3-carboxylate
Price38 Properties Safety Information Description
38 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AK Scientific
  • Alichem
  • Ambeed
  • Chemcia Scientific
  • Chemenu
  • Crysdot
  • J&W Pharmlab
  • Matrix Scientific
  • Synthonix
  • TRC
Package
  • 100mg
  • 250mg
  • 500.00mg
  • 500mg
  • 1g
  • 1.00g
  • 5g
  • 10g
  • 25g
  • 50g
  • 100G
  • Manufactureraablocks
  • Product numberAA00GVPO
  • Product descriptionEthyl 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 95%
  • Packaging100mg
  • Price$9
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00GVPO
  • Product descriptionEthyl 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97%
  • Packaging250mg
  • Price$10
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00GVPO
  • Product descriptionEthyl 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97%
  • Packaging1g
  • Price$18
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00GVPO
  • Product descriptionEthyl 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate ≥97%
  • Packaging5g
  • Price$29
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00GVPO
  • Product descriptionEthyl 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97%
  • Packaging25g
  • Price$87
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberL14073
  • Product descriptionEthyl 5-oxo-4H,5H-pyrazolo[1,5-a]pyrimidine-3-carboxylate 97%
  • Packaging100G
  • Price$230
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product number3438AF
  • Product descriptionEthyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate
  • Packaging100mg
  • Price$130
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number926663005
  • Product descriptionEthyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate
  • Packaging1g
  • Price$294
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number926663005
  • Product descriptionEthyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate
  • Packaging5g
  • Price$909
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA767808
  • Product descriptionEthyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97%
  • Packaging1g
  • Price$78
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA767808
  • Product descriptionEthyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97%
  • Packaging250mg
  • Price$27
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA767808
  • Product descriptionEthyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97%
  • Packaging100mg
  • Price$13
  • Updated2021-12-16
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberBB20-5972A
  • Product description5-Oxo-4,5-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester ＞95%
  • Packaging25G
  • Price$132
  • Updated2026-05-24
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberBB20-5972C
  • Product description5-Oxo-1,5-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester ＞95%
  • Packaging1G
  • Price$150
  • Updated2026-05-24
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberBB20-5972B
  • Product description5-Hydroxy-pyrazolo[1,5-a]pyrimidine-3-carboxylicacidethylester ＞95%
  • Packaging5G
  • Price$440
  • Updated2021-12-16
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberBB20-5972C
  • Product description5-Oxo-1,5-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester ＞95%
  • Packaging5G
  • Price$495
  • Updated2026-05-24
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00GVPO Ethyl 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 95% 100mg $9 2026-05-28 Buy
aablocks AA00GVPO Ethyl 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97% 250mg $10 2026-05-28 Buy
aablocks AA00GVPO Ethyl 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97% 1g $18 2026-05-28 Buy
aablocks AA00GVPO Ethyl 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate ≥97% 5g $29 2026-05-28 Buy
aablocks AA00GVPO Ethyl 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97% 25g $87 2026-05-28 Buy
ACHEMBLOCK L14073 Ethyl 5-oxo-4H,5H-pyrazolo[1,5-a]pyrimidine-3-carboxylate 97% 100G $230 2026-05-27 Buy
AK Scientific 3438AF Ethyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 100mg $130 2021-12-16 Buy
Alichem 926663005 Ethyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 1g $294 2021-12-16 Buy
Alichem 926663005 Ethyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 5g $909 2021-12-16 Buy
Ambeed A767808 Ethyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97% 1g $78 2021-12-16 Buy
Ambeed A767808 Ethyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97% 250mg $27 2021-12-16 Buy
Ambeed A767808 Ethyl5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate 97% 100mg $13 2021-12-16 Buy
Chemcia Scientific BB20-5972A 5-Oxo-4,5-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester ＞95% 25G $132 2026-05-24 Buy
Chemcia Scientific BB20-5972C 5-Oxo-1,5-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester ＞95% 1G $150 2026-05-24 Buy
Chemcia Scientific BB20-5972B 5-Hydroxy-pyrazolo[1,5-a]pyrimidine-3-carboxylicacidethylester ＞95% 5G $440 2021-12-16 Buy
Chemcia Scientific BB20-5972C 5-Oxo-1,5-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester ＞95% 5G $495 2026-05-24 Buy
Next Last

Properties

Boiling point :339.6±42.0 °C(Predicted)
Density :1.47±0.1 g/cm3(Predicted)
storage temp. :2-8°C
pka :10.81±0.20(Predicted)
Appearance :White to off-white Solid
InChI :InChI=1S/C9H9N3O3/c1-2-15-9(14)6-5-10-12-4-3-7(13)11-8(6)12/h3-5H,2H2,1H3,(H,11,13)
InChIKey :PCKVUOAPCLMZJI-UHFFFAOYSA-N
SMILES :C12=C(C(OCC)=O)C=NN1C=CC(=O)N2

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:
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.
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.
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P321 Specific treatment (see … on this label).
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

Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate is a heterocyclic organic compound, appearing as a solid, known as an important intermediate in synthesizing biologically active pyrazolopyrimidines, often used in anticancer research for creating kinase inhibitors.

More related product prices

5-Oxo-4,5-dihydro-pyrazolo[1,5-a]pyriMidine-3-carboxylic acid

Related product price

Suppliers and manufacturers

J & K SCIENTIFIC LTD. Shanghai AmasPharm Co., Ltd. ZhengZhou HuaWen Chemical Co.Ltd Shanghai Jian Chao Chemical Technology Co., Ltd. SYN|thesis med chem P/L CEG Chemical Science&Technology Co., Ltd. Bide Pharmatech Ltd. Shanghai AQBioPharma Co., Ltd. ShangHai Yuchuan Pharmaceutical Technology Co., Ltd. Shanghai Tombiopharma Chemical Co. Ltd.