Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (E,Z)-2,4-nonadienal,(2E,4Z)-2,4-nonadienal
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

21661-99-4

21661-99-4 structure

21661-99-4 structure

Name: (E,Z)-2,4-nonadienal,(2E,4Z)-2,4-nonadienal
Chemical Name: (2E,4Z)-nona-2,4-dienal
CAS Number: 21661-99-4
Molecular Formula: C₉H₁₄O
Molecular Weight: 138.20700
Create Date: 2017-05-22 07:35:16
Modify Date: 2025-09-17 22:15:51

Name	(2E,4Z)-nona-2,4-dienal
Synonyms	trans,cis-2,4-Nonadienal UNII-03H9U4J4V9 E,Z-nona-2,4-dienal trans-2,cis-4-Nonadienal

Molecular Formula	C₉H₁₄O
Molecular Weight	138.20700
Exact Mass	138.10400
PSA	17.07000
LogP	2.48790

HS Code	2912190090

16538-47-9 structure

16538-47-9

107-02-8 structure

107-02-8

~92%

21661-99-4 structure

21661-99-4

Literature: Jeffery, Tuyet Tetrahedron Letters, 1985 , vol. 26, # 22 p. 2667 - 2670

141695-20-7 structure

141695-20-7

~86%

21661-99-4 structure

21661-99-4

Literature: Capperucci, Antonella; Degl'Innocenti, Alessandro; Dondoli, Paolo; Nocentini, Tiziano; Reginato, Gianna; Ricci, Alfredo Tetrahedron, 2001 , vol. 57, # 29 p. 6267 - 6276

Precursor 2
16538-47-9 107-02-8
DownStream 0

HS Code	2912190090
Summary	2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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