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ChemicalBook >> CAS DataBase List >>(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one

(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one

(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one Structure
(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one structure
CAS No.
7559-81-1
Chemical Name:
(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one
Synonyms
Nsc10216;Kojic Impurity 4;CHLOROKOJIC ACID;2-(chloromethyl)-5-hydroxypyran-4-one;2-(chloromethyl)-5-hydroxy-4h-pyran-4-on;(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one;4H-Pyran-4-one, 2-(chloromethyl)-5-hydroxy-
CBNumber:
CB9742976
Molecular Formula:
C6H5ClO3
Molecular Weight:
160.56
MDL Number:
MFCD00053592
MOL File:
7559-81-1.mol
MSDS File:
SDS
Last updated:2026-09-12 18:56:34
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(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one 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
Cosmetics Ingredients Functions ANTI-SEBUM
FDA UNII UB7QQW2D47
EPA Substance Registry System 4H-Pyran-4-one, 2-(chloromethyl)-5-hydroxy- (7559-81-1)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)Corrosion (GHS05)
GHS07,GHS05
Signal word  Danger
Hazard statements  H314-H302
Precautionary statements  P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501-P264-P270-P301+P312-P330-P501
Risk Statements  36/37/38
Safety Statements  26-36/37/39
TSCA  TSCA listed
HS Code  2932990090

(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one price More Price(36)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich S217867 2-CHLOROMETHYL-5-HYDROXY-PYRAN-4-ONE AldrichCPR 7559-81-1 1 unit $32.7 2026-04-30 Buy
Sigma-Aldrich S217867 2-CHLOROMETHYL-5-HYDROXY-PYRAN-4-ONE AldrichCPR 7559-81-1 50MG $29.8 2024-03-01 Buy
Usbiological 414117 2-​(Chloromethyl)​-​5-​hydroxy-4H-​pyran-​4-​one 7559-81-1 100mg $355 2026-06-03 Buy
Usbiological 414117 2-​(Chloromethyl)​-​5-​hydroxy-4H-​pyran-​4-​one 7559-81-1 250mg $496 2026-06-03 Buy
Biosynth HAA55981 2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one 7559-81-1 5g $797.5 2026-06-04 Buy
Product number Packaging Price Buy
S217867 1 unit $32.7 Buy
S217867 50MG $29.8 Buy
414117 100mg $355 Buy
414117 250mg $496 Buy
HAA55981 5g $797.5 Buy

(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one Chemical Properties, Uses, Production

Uses

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.

(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one Preparation Products And Raw materials

Raw materials

Preparation Products

5-hydroxy-2-(4-morpholinylmethyl)-4H-pyran-4-one(SALTDATA: FREE)

(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one Suppliers

Global Suppliers ( 38)
Supplier Tel Email Country ProdList Advantage
Zhengzhou Alfachem Co., Ltd. 0371-53765687 18937137882 3969243885@qq.com China 7734 55
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
Wuxi KaideRui Pharmaceutical Technology Co., Ltd 19906241957 1557216087@qq.com China 1853 55
Wuxi AppTec 022-59987777 13552403979 jia_guoqiang@wuxiapptec.com China 22344 58
Aikon International Limited 025-58859352 15955137747 sales01@aikonchem.com China 16021 58
Nanjing Leizheng Medical Technology Co. Ltd. 025-58869118 18626091766 cltang@aliyun.com China 30 58
Blocksynth Pharmaceutical Technology Co.,Ltd 0086-19817745290; 19817745290 bd@blocksynth.com China 5971 58
Labnetwork lnc. +86-27-50766799 +86-18062016861 contact@labnetwork.com China 19981 58
Shanghai Kaiwei Chemical Technology Co., Ltd. 021-58461859 15821823057 service@aiviche.com China 49299 58
Shanghai Haohong Pharmaceutical Co., Ltd. 400-8210725 4008210725 malulu@leyan.com China 54996 58
Supplier Advantage
Zhengzhou Alfachem Co., Ltd. 55
Shanghai YuanYe Biotechnology Co., Ltd. 60
Wuxi KaideRui Pharmaceutical Technology Co., Ltd 55
Wuxi AppTec 58
Aikon International Limited 58
Nanjing Leizheng Medical Technology Co. Ltd. 58
Blocksynth Pharmaceutical Technology Co.,Ltd 58
Labnetwork lnc. 58
Shanghai Kaiwei Chemical Technology Co., Ltd. 58
Shanghai Haohong Pharmaceutical Co., Ltd. 58

(2-Chloromethyl)-5-hydroxy-4H-pyran-4-one Spectrum

(2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE(7559-81-1)1HNMR

7559-81-1 ((2-Chloromethyl)-5-hydroxy-4H-pyran-4-one) Related Search:

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CHLOROKOJIC ACID 2-(chloromethyl)-5-hydroxy-4h-pyran-4-on 2-(chloromethyl)-5-hydroxypyran-4-one 4H-Pyran-4-one, 2-(chloromethyl)-5-hydroxy- Nsc10216 Kojic Impurity 4 (2-Chloromethyl)-5-hydroxy-4H-pyran-4-one 7559-81-1