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ChemicalBook >> (2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE

(2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE

(2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE price.
  • $29.8 - $1392
  • Product name: (2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE
  • CAS: 7559-81-1
  • MF: C6H5ClO3
  • MW: 160.56
  • EINECS:
  • MDL Number:MFCD00053592
  • Synonyms:CHLOROKOJIC ACID;2-(chloromethyl)-5-hydroxy-4h-pyran-4-on ;(2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE;2-(chloromethyl)-5-hydroxypyran-4-one;4H-Pyran-4-one, 2-(chloromethyl)-5-hydroxy-;Nsc10216;Kojic Impurity 4
Price19 Properties Safety Information Description
19 prices
Selected condition：
Brand
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • Chemenu
  • Matrix Scientific
  • Sigma-Aldrich
  • SynQuest Laboratories
  • TRC
Package
  • 50MG
  • 100mg
  • 250mg
  • 500MG
  • 1g
  • 2.5G
  • 2.500g
  • 5g
  • 1 unit
  • ManufacturerAK Scientific
  • Product number1801AL
  • Product description2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one
  • Packaging100mg
  • Price$224
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number1801AL
  • Product description2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one
  • Packaging250mg
  • Price$264
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number1801AL
  • Product description2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one
  • Packaging1g
  • Price$504
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number7559811
  • Product description2-(Chloromethyl)-5-hydroxy-4h-pyran-4-one
  • Packaging1g
  • Price$234.63
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number7559811
  • Product description2-(Chloromethyl)-5-hydroxy-4h-pyran-4-one
  • Packaging5g
  • Price$731.3
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberHCH0009254
  • Product description(2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE 95.00%
  • Packaging500MG
  • Price$242.55
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberHCH0009254
  • Product description(2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE 95.00%
  • Packaging1G
  • Price$779.78
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberHCH0009254
  • Product description(2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE 95.00%
  • Packaging2.5G
  • Price$1091.99
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM333363
  • Product description2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95%+
  • Packaging100mg
  • Price$93
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM333363
  • Product description2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95%+
  • Packaging250mg
  • Price$155
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM333363
  • Product description2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95%+
  • Packaging1g
  • Price$282
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number135377
  • Product description2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95%
  • Packaging1g
  • Price$350
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number135377
  • Product description2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95%
  • Packaging2.500g
  • Price$762
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number135377
  • Product description2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95%
  • Packaging5g
  • Price$1154
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberS217867
  • Product description2-CHLOROMETHYL-5-HYDROXY-PYRAN-4-ONE AldrichCPR
  • Packaging1 unit
  • Price$30.7
  • Updated2025-07-31
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberS217867
  • Product description2-CHLOROMETHYL-5-HYDROXY-PYRAN-4-ONE AldrichCPR
  • Packaging50MG
  • Price$29.8
  • Updated2024-03-01
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific 1801AL 2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 100mg $224 2021-12-16 Buy
AK Scientific 1801AL 2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 250mg $264 2021-12-16 Buy
AK Scientific 1801AL 2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 1g $504 2021-12-16 Buy
Alichem 7559811 2-(Chloromethyl)-5-hydroxy-4h-pyran-4-one 1g $234.63 2021-12-16 Buy
Alichem 7559811 2-(Chloromethyl)-5-hydroxy-4h-pyran-4-one 5g $731.3 2021-12-16 Buy
American Custom Chemicals Corporation HCH0009254 (2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE 95.00% 500MG $242.55 2021-12-16 Buy
American Custom Chemicals Corporation HCH0009254 (2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE 95.00% 1G $779.78 2021-12-16 Buy
American Custom Chemicals Corporation HCH0009254 (2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE 95.00% 2.5G $1091.99 2021-12-16 Buy
Chemenu CM333363 2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95%+ 100mg $93 2021-12-16 Buy
Chemenu CM333363 2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95%+ 250mg $155 2021-12-16 Buy
Chemenu CM333363 2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95%+ 1g $282 2021-12-16 Buy
Matrix Scientific 135377 2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95% 1g $350 2021-12-16 Buy
Matrix Scientific 135377 2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95% 2.500g $762 2021-12-16 Buy
Matrix Scientific 135377 2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 95% 5g $1154 2021-12-16 Buy
Sigma-Aldrich S217867 2-CHLOROMETHYL-5-HYDROXY-PYRAN-4-ONE AldrichCPR 1 unit $30.7 2025-07-31 Buy
Sigma-Aldrich S217867 2-CHLOROMETHYL-5-HYDROXY-PYRAN-4-ONE AldrichCPR 50MG $29.8 2024-03-01 Buy
Next Last

Properties

Melting point :164-165°C
Boiling point :321.9±42.0 °C(Predicted)
Density :1.514±0.06 g/cm3(Predicted)
storage temp. :2-8°C, stored under nitrogen
pka :7.80±0.10(Predicted)
Appearance :Off-white to yellow Solid
EPA Substance Registry System :4H-Pyran-4-one, 2-(chloromethyl)-5-hydroxy- (7559-81-1)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning GHS hazard pictograms P264, P270, P301+P312, P330, P501
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger GHS hazard pictograms P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:
P260 Do not breathe 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.
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.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
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.
P310 Immediately call a POISON CENTER or doctor/physician.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P363 Wash contaminated clothing before reuse.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

2-?(Chloromethyl)?-?5-?hydroxy-4H-?pyran-?4-?one is an intermediate in synthesizing Allo Maltol (A546700), the esters of 5-hydroxy-2-methyl-4H-pyran-4-one are used as novel tyrosinase inhibitors for skin-lightening cosmetic compositions.

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DAYANG CHEM (HANGZHOU) CO.,LTD Zhengzhou Alfachem Co., Ltd. Wuxi AppTec Aikon International Limited Nanjing Leizheng Medical Technology Co. Ltd. Shanghai Kaiwei Chemical Technology Co., Ltd.