Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-Pyran-2-carboxaldehyde,2,5-diethyl-3,4-dihydro-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

33731-59-8

33731-59-8 structure

33731-59-8 structure

Name: 2H-Pyran-2-carboxaldehyde,2,5-diethyl-3,4-dihydro-
Chemical Name: 2,5-diethyl-3,4-dihydropyran-2-carbaldehyde
CAS Number: 33731-59-8
Molecular Formula: C₁₀H₁₆O₂
Molecular Weight: 168.23300
Create Date: 2016-11-12 00:02:28
Modify Date: 2025-08-20 14:26:11

Name	2,5-diethyl-3,4-dihydropyran-2-carbaldehyde
Synonyms	EINECS 251-659-8 2,5-Diaethyl-3,4-dihydro-2H-pyran-2-carbaldehyd 2,5-diethyl-3,4-dihydro-2H-pyran-2-carboxaldehyde 2,5-Diethyl-3,4-dihydro-2H-pyran-2-carbaldehyde

Density	0.995g/cm3
Boiling Point	241ºC at 760mmHg
Molecular Formula	C₁₀H₁₆O₂
Molecular Weight	168.23300
Exact Mass	168.11500
PSA	26.30000
LogP	2.43840
Index of Refraction	1.496

HS Code	2932999099

922-63-4 structure

922-63-4

~90%

33731-59-8 structure

33731-59-8

Literature: Karpiak; Marshalok; Fedevich; Avdosieva; Kovalskyi, Ya. P. Chemistry of Heterocyclic Compounds, 2008 , vol. 44, # 11 p. 1334 - 1338

922-63-4 structure

922-63-4

3070-65-3 structure

3070-65-3

~%

33731-59-8 structure

33731-59-8

1116005-16-3 structure

1116005-16-3

Literature: Karpyak; Polyuzhyn; Marshalok; Yatchyshyn Polish Journal of Chemistry, 2008 , vol. 82, # 1-2 p. 397 - 401

Precursor 2
922-63-4 3070-65-3
DownStream 0

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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