Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-methyl-5,6-dihydro-4H-pyran-3-carboxylicacid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-Pyran-5-carboxylicacid, 3,4-dihydro-6-methyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 2-methyl-5,6-dihydro-4H-pyran-3-carboxylic acid
Price: ￥Inquiry/10g ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/25g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

5399-21-3

5399-21-3 structure

5399-21-3 structure

Name: 2H-Pyran-5-carboxylicacid, 3,4-dihydro-6-methyl-
Chemical Name: 6-Methyl-3,4-dihydro-2H-pyran-5-carboxylic acid
CAS Number: 5399-21-3
Molecular Formula: C₇H₁₀O₃
Molecular Weight: 142.15200
Create Date: 2018-12-24 17:44:04
Modify Date: 2025-08-25 19:36:48

Name	6-Methyl-3,4-dihydro-2H-pyran-5-carboxylic acid
Synonyms	3,4-Dihydro-6-methyl-2H-pyran-5-carboxylic acid 2-methyl-5,6-dihydro-4H-pyran-3-carboxylic acid 2-Methyl-5,6-dihydro-4H-pyran-3-carbonsaeure

Density	1.194g/cm3
Boiling Point	243.7ºC at 760mmHg
Melting Point	119ºC
Molecular Formula	C₇H₁₀O₃
Molecular Weight	142.15200
Flash Point	100ºC
Exact Mass	142.06300
PSA	46.53000
LogP	1.15540
Index of Refraction	1.501

HS Code	2932999099

141-97-9 structure

141-97-9

109-64-8 structure

109-64-8

~%

5399-21-3 structure

5399-21-3

Literature: Journal of the Chemical Society, , vol. 51, p. 709,715

Precursor 2
141-97-9 109-64-8
DownStream 1
21856-89-3

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%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.