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ChemicalBook >> CAS DataBase List >> 2-HYDROXY-5-METHYLPYRAZINE

2-HYDROXY-5-METHYLPYRAZINE

2-HYDROXY-5-METHYLPYRAZINE price.
  • $8 - $2200
  • Product name: 2-HYDROXY-5-METHYLPYRAZINE
  • CAS: 20721-17-9
  • MF: C5H6N2O
  • MW: 110.11
  • EINECS:
  • MDL Number:MFCD01693937
  • Synonyms:2-HYDROXY-5-METHYLPYRAZINE;5-METHYLPYRAZIN-2-OL;5-Methyl-2(1H)-pyrazinone;5-Methylpyrazin-2(1H)-one;5-Methyl-1H-pyrazin-2-one;Pyrazinol, 5-methyl-;2,3,4,5-Tetrahydro-7,8-dinitro-3-(trifluoroacetyl)-1,5-methano-1H-4-benzazepine;5-Methyl-2(1H)-pyrazone
Price45 Properties Safety Information Description
45 prices
Selected condition：
Brand
  • aablocks
  • Abosyn
  • ACHEMBLOCK
  • Alichem
  • Ambeed
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • Medical Isotopes, Inc.
  • SynQuest Laboratories
  • Synthonix
  • TRC
Package
  • 100mg
  • 250mg
  • 0.5G
  • 1g
  • 1.00g
  • 2.5g
  • 5.00g
  • 5g
  • 10.00g
  • 10g
  • 25G
  • 100G
  • Manufactureraablocks
  • Product numberAA002ITU
  • Product description5-Methyl-2(1H)-pyrazone 98%
  • Packaging1g
  • Price$47
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002ITU
  • Product description5-Methyl-2(1H)-pyrazone 95%
  • Packaging100mg
  • Price$8
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002ITU
  • Product description5-Methyl-2(1H)-pyrazone 95%
  • Packaging250mg
  • Price$12
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002ITU
  • Product description5-Methyl-2(1H)-pyrazone ≥98%
  • Packaging5g
  • Price$199
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002ITU
  • Product description5-Methyl-2(1H)-pyrazone 95%
  • Packaging10g
  • Price$378
  • Updated2026-05-28
  • Buy
  • ManufacturerAbosyn
  • Product number61-1648
  • Product description5-methylpyrazin-2(1H)-one 95-98%
  • Packaging5g
  • Price$980
  • Updated2021-12-16
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX179975
  • Product description5-Methylpyrazin-2(1H)-one 95%
  • Packaging25G
  • Price$645
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX179975
  • Product description5-Methylpyrazin-2(1H)-one 95%
  • Packaging100G
  • Price$1935
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX179975
  • Product description5-Methylpyrazin-2(1H)-one 95%
  • Packaging5G
  • Price$170
  • Updated2026-05-27
  • Buy
  • ManufacturerAlichem
  • Product number20721179
  • Product description5-Hydroxy-2-methylpyrazine
  • Packaging10g
  • Price$637.63
  • Updated2021-12-16
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  • ManufacturerAlichem
  • Product number20721179
  • Product description5-Hydroxy-2-methylpyrazine
  • Packaging5g
  • Price$357.36
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA156010
  • Product description5-Methylpyrazin-2(1H)-one 98%
  • Packaging5g
  • Price$187
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA156010
  • Product description5-Methylpyrazin-2(1H)-one 98%
  • Packaging250mg
  • Price$25
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA156010
  • Product description5-Methylpyrazin-2(1H)-one 98%
  • Packaging1g
  • Price$62
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0149619
  • Product description2-HYDROXY-5-METHYLPYRAZINE 95.00%
  • Packaging5G
  • Price$2067.45
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0149619
  • Product description2-HYDROXY-5-METHYLPYRAZINE 95.00%
  • Packaging0.5G
  • Price$682
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002ITU 5-Methyl-2(1H)-pyrazone 98% 1g $47 2026-05-28 Buy
aablocks AA002ITU 5-Methyl-2(1H)-pyrazone 95% 100mg $8 2026-05-28 Buy
aablocks AA002ITU 5-Methyl-2(1H)-pyrazone 95% 250mg $12 2026-05-28 Buy
aablocks AA002ITU 5-Methyl-2(1H)-pyrazone ≥98% 5g $199 2026-05-28 Buy
aablocks AA002ITU 5-Methyl-2(1H)-pyrazone 95% 10g $378 2026-05-28 Buy
Abosyn 61-1648 5-methylpyrazin-2(1H)-one 95-98% 5g $980 2021-12-16 Buy
ACHEMBLOCK X179975 5-Methylpyrazin-2(1H)-one 95% 25G $645 2026-05-27 Buy
ACHEMBLOCK X179975 5-Methylpyrazin-2(1H)-one 95% 100G $1935 2026-05-27 Buy
ACHEMBLOCK X179975 5-Methylpyrazin-2(1H)-one 95% 5G $170 2026-05-27 Buy
Alichem 20721179 5-Hydroxy-2-methylpyrazine 10g $637.63 2021-12-16 Buy
Alichem 20721179 5-Hydroxy-2-methylpyrazine 5g $357.36 2021-12-16 Buy
Ambeed A156010 5-Methylpyrazin-2(1H)-one 98% 5g $187 2021-12-16 Buy
Ambeed A156010 5-Methylpyrazin-2(1H)-one 98% 250mg $25 2021-12-16 Buy
Ambeed A156010 5-Methylpyrazin-2(1H)-one 98% 1g $62 2021-12-16 Buy
American Custom Chemicals Corporation CHM0149619 2-HYDROXY-5-METHYLPYRAZINE 95.00% 5G $2067.45 2021-12-16 Buy
American Custom Chemicals Corporation CHM0149619 2-HYDROXY-5-METHYLPYRAZINE 95.00% 0.5G $682 2021-12-16 Buy
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Properties

Melting point :68-69 °C(Solv: ethyl ether (60-29-7))
Density :1.22±0.1 g/cm3(Predicted)
storage temp. :2-8°C
pka :11.72±0.40(Predicted)
Appearance :Brown to black 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:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P310 Immediately call a POISON CENTER or doctor/physician.

Description

5-Methyl-2(1H)-pyrazinone is a useful synthetic intermediate. it is a derivative of 2-Hydroxypyrazine (H952710) which is used in the synthesis of potential antioxidants. 2-Hydroxypyrazine (H952710) is also used in the preparation of antibacterial agents as 2-substituted pyrazine derivatives.

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career henan chemical co
2-HYDROXY-5-METHYLPYRAZINE
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2-HYDROXY-5-METHYLPYRAZINE CAS:20721-17-9
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Aladdin Scientific
Chongqing Chemdad Co., Ltd