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 >> PYRAZOLO[1,5-A]PYRAZINE-2-CARBOXYLIC ACID, 4,5,6,7-TETRAHYDRO-4-OXO-, ETHYL ESTER

PYRAZOLO[1,5-A]PYRAZINE-2-CARBOXYLIC ACID, 4,5,6,7-TETRAHYDRO-4-OXO-, ETHYL ESTER

PYRAZOLO[1,5-A]PYRAZINE-2-CARBOXYLIC ACID, 4,5,6,7-TETRAHYDRO-4-OXO-, ETHYL ESTER price.
  • $18 - $2950
  • Product name: PYRAZOLO[1,5-A]PYRAZINE-2-CARBOXYLIC ACID, 4,5,6,7-TETRAHYDRO-4-OXO-, ETHYL ESTER
  • CAS: 951626-95-2
  • MF: C9H11N3O3
  • MW: 209.2
  • EINECS:
  • MDL Number:MFCD09832110
  • Synonyms:PYRAZOLO[1,5-A]PYRAZINE-2-CARBOXYLIC ACID, 4,5,6,7-TETRAHYDRO-4-OXO-, ETHYL ESTER;4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate;ethyl 4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate;ethyl 4-oxo-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazine-2-carboxylate;KML-67;KML-98;Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carb
Price56 Properties Safety Information Description
56 prices
Selected condition：
Brand
  • A2B
  • aablocks
  • Abosyn
  • ACHEMBLOCK
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • Chemenu
  • Crysdot
  • J&W Pharmlab
  • Matrix Scientific
  • Synthonix
  • TRC
Package
  • 5MG
  • 50mg
  • 100mg
  • 0.1g
  • 250.00mg
  • 250mg
  • 0.25g
  • 500mg
  • 0.5g
  • 1g
  • 1.00g
  • 5g
  • 5.00g
  • 10g
  • 25g
  • 50g
  • ManufacturerA2B
  • Product numberAI63961
  • Product descriptionEthyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 97%
  • Packaging100mg
  • Price$18
  • Updated2026-05-25
  • Buy
  • ManufacturerA2B
  • Product numberAI63961
  • Product descriptionEthyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 97%
  • Packaging250mg
  • Price$21
  • Updated2026-05-25
  • Buy
  • ManufacturerA2B
  • Product numberAI63961
  • Product descriptionEthyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 97%
  • Packaging1g
  • Price$32
  • Updated2026-05-25
  • Buy
  • Manufactureraablocks
  • Product numberAA00IIPP
  • Product descriptionEthyl 4-Oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate ≥98%
  • Packaging1g
  • Price$35
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00IIPP
  • Product descriptionEthyl 4-Oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 98%
  • Packaging250mg
  • Price$24
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00IIPP
  • Product descriptionEthyl 4-Oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 98%
  • Packaging100mg
  • Price$20
  • Updated2026-05-29
  • Buy
  • ManufacturerAbosyn
  • Product number30-1987
  • Product descriptionethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches)
  • Packaging0.1g
  • Price$125
  • Updated2026-05-21
  • Buy
  • ManufacturerAbosyn
  • Product number30-1987
  • Product descriptionethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches)
  • Packaging0.25g
  • Price$165
  • Updated2026-05-21
  • Buy
  • ManufacturerAbosyn
  • Product number30-1987
  • Product descriptionethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches)
  • Packaging0.5g
  • Price$245
  • Updated2026-05-21
  • Buy
  • ManufacturerAbosyn
  • Product number30-1987
  • Product descriptionethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches)
  • Packaging1g
  • Price$299
  • Updated2026-05-21
  • Buy
  • ManufacturerAbosyn
  • Product number30-1987
  • Product descriptionPyrazolo[1,5-a]pyrazine-2-carboxylicacid,4,5,6,7-tetrahydro-4-oxo-,ethylester >95%
  • Packaging5g
  • Price$600
  • Updated2021-12-16
  • Buy
  • ManufacturerAbosyn
  • Product number30-1987
  • Product descriptionethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches)
  • Packaging5g
  • Price$660
  • Updated2026-05-21
  • Buy
  • ManufacturerAbosyn
  • Product number30-1987
  • Product descriptionethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches)
  • Packaging10g
  • Price$1100
  • Updated2026-05-21
  • Buy
  • ManufacturerAbosyn
  • Product number30-1987
  • Product descriptionPyrazolo[1,5-a]pyrazine-2-carboxylicacid,4,5,6,7-tetrahydro-4-oxo-,ethylester >95%
  • Packaging50g
  • Price$2950
  • Updated2021-12-16
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberF-4192
  • Product descriptionethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 97%
  • Packaging5G
  • Price$323
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberF-4192
  • Product descriptionethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 97%
  • Packaging250MG
  • Price$34
  • Updated2026-05-27
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
A2B AI63961 Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 97% 100mg $18 2026-05-25 Buy
A2B AI63961 Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 97% 250mg $21 2026-05-25 Buy
A2B AI63961 Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 97% 1g $32 2026-05-25 Buy
aablocks AA00IIPP Ethyl 4-Oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate ≥98% 1g $35 2026-05-29 Buy
aablocks AA00IIPP Ethyl 4-Oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 98% 250mg $24 2026-05-29 Buy
aablocks AA00IIPP Ethyl 4-Oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 98% 100mg $20 2026-05-29 Buy
Abosyn 30-1987 ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches) 0.1g $125 2026-05-21 Buy
Abosyn 30-1987 ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches) 0.25g $165 2026-05-21 Buy
Abosyn 30-1987 ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches) 0.5g $245 2026-05-21 Buy
Abosyn 30-1987 ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches) 1g $299 2026-05-21 Buy
Abosyn 30-1987 Pyrazolo[1,5-a]pyrazine-2-carboxylicacid,4,5,6,7-tetrahydro-4-oxo-,ethylester >95% 5g $600 2021-12-16 Buy
Abosyn 30-1987 ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches) 5g $660 2026-05-21 Buy
Abosyn 30-1987 ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate >95%(Puritymayvarybetweenbatches) 10g $1100 2026-05-21 Buy
Abosyn 30-1987 Pyrazolo[1,5-a]pyrazine-2-carboxylicacid,4,5,6,7-tetrahydro-4-oxo-,ethylester >95% 50g $2950 2021-12-16 Buy
ACHEMBLOCK F-4192 ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 97% 5G $323 2026-05-27 Buy
ACHEMBLOCK F-4192 ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate 97% 250MG $34 2026-05-27 Buy
Next Last

Properties

Boiling point :504.8±45.0 °C(Predicted)
Density :1.48±0.1 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
pka :13.84±0.20(Predicted)
Appearance :White to off-white Solid

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
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
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.
P312 Call a POISON CENTER or doctor/physician if you feel unwell.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.
P501 Dispose of contents/container to..…

Description

More related product prices

Ethyl 4-oxo-1,4-dihydropy... ETHYL 5-ISOPROPYL-4-OXO-3,4-DIHYDROPYRROLO[2,1-F][1,2,4]TRIAZINE-6-CARBOXYLATE ethyl 4-hydroxypyrrolo[1,2-f][1,2,4]triazine-6-carboxylate pyrazolo[1,5-a]pyridine-5-carboxylic acid 25939-87-1 3-AMinopyrazolo[1,5-a]pyriMidine TFA 16205-44-0

Related product price

Suppliers and manufacturers

ATK CHEMICAL COMPANY LIMITED
Accela ChemBio Inc.
Career Henan Chemica Co
Shanxi Xuanran Import and Export Trade Co., Ltd.
Hefei Hirisun Pharmatech Co., Ltd
Labnetwork lnc.
Shanxi Tihondan Pharmaceutical Technology Co., Ltd
Aladdin Scientific
Suzhou ARTK Medchem Co., Ltd.
Chongqing Chemdad Co., Ltd