Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-Pyran-3(6H)-one,4-chloro-6-hydroxy-2-methyl-
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Purity: 98.0%
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66187-15-3

66187-15-3 structure

66187-15-3 structure

Name: 4-chloro-6-hydroxy-2-methyl-2H-Pyran-3(6H)-one
Chemical Name: 4-chloro-2-hydroxy-6-methyl-2H-pyran-5-one
CAS Number: 66187-15-3
Molecular Formula: C₆H₇ClO₃
Molecular Weight: 162.57100
Create Date: 2016-07-15 04:12:31
Modify Date: 2025-09-13 20:19:48

Name	4-chloro-2-hydroxy-6-methyl-2H-pyran-5-one
Synonyms	(E)-3-chloro-5-hydroxy-4-oxo-hex-2-enal 1->5-cyclohemiacetal 2H-Pyran-3(6H)-one,4-chloro-6-hydroxy-2-methyl 4-chloro-6-hydroxy-2-methyl-6H-pyran-3-one 4-chloro-6-hydroxy-2-methyl-2H-Pyran-3(6H)-one

Molecular Formula	C₆H₇ClO₃
Molecular Weight	162.57100
Exact Mass	162.00800
PSA	46.53000
LogP	0.41530

HS Code	2932999099

4208-64-4 structure

4208-64-4

~%

66187-15-3 structure

66187-15-3

66187-10-8 structure

66187-10-8

Literature: Weeks, Paul D.; Brennan, Thomas M.; Brannegan, Daniel P.; Kuhla, Donald E.; Elliot, Mark L.; et al. Journal of Organic Chemistry, 1980 , vol. 45, # 6 p. 1109 - 1113

Precursor 1
4208-64-4
DownStream 1
66187-10-8

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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