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: (2E)-2-[(2E)-2-(1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)ETHYLIDENE]-3,4-DIHYDRONAPHTHALEN-1(2H)-ONE
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Purity: 98.0%
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203505-84-4

203505-84-4 structure

203505-84-4 structure

Name: (2E)-2-[(2E)-2-(1,3,3-TRIMETHYL-1,3-DIHYDRO-2H-INDOL-2-YLIDENE)ETHYLIDENE]-3,4-DIHYDRONAPHTHALEN-1(2H)-ONE
Chemical Name: 3-(2,3-Dihydro-1-benzofuran-5-yl)acrylic acid
CAS Number: 203505-84-4
Molecular Formula: C₁₁H₁₀O₃
Molecular Weight: 190.19500
Create Date: 2018-11-23 17:27:13
Modify Date: 2026-08-06 13:57:52

Name	3-(2,3-Dihydro-1-benzofuran-5-yl)acrylic acid
Synonyms	(E)-3-(2,3-dihydrobenzofuran-5-yl)-2-propenoic acid 2-Propenoic acid,3-(2,3-dihydro-5-benzofuranyl)-, (2E) MFCD03002828 (E)-3-(2,3-Dihydrobenzofuran-5-yl)acrylic acid (2E)-3-(2,3-Dihydrobenzo[b]furan-5-yl)prop-2-enoic acid, (2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid (2E)-3-(2,3-Dihydro-benzofuran-5-yl)-acrylic acid (E)-3-(2,3-Dihydrobenzo[b]furan-5-yl)acrylic acid (2E)-3-(2,3-Dihydro-5-benzofuranyl)-2-propenoic acid

Density	1.31g/cm3
Boiling Point	379.8ºC at 760mmHg
Melting Point	170-173ºC
Molecular Formula	C₁₁H₁₀O₃
Molecular Weight	190.19500
Flash Point	154.7ºC
Exact Mass	190.06300
PSA	46.53000
LogP	1.71930
Vapour Pressure	1.92E-06mmHg at 25°C
Index of Refraction	1.648

Hazard Codes	Xi: Irritant;
HS Code	2932999099

55745-70-5 structure

55745-70-5

141-82-2 structure

141-82-2

~75%

203505-84-4 structure

203505-84-4

Literature: Chen, Wen; Yang, Li-Juan; Li, Yan; Wang, Xue-Quan; Wang, Shao-Jie; Wan, Wei-Chao; Zhang, Hong-Bin; Yang, Xiao-Dong Letters in Drug Design and Discovery, 2013 , vol. 10, # 7 p. 561 - 571

496-16-2 structure

496-16-2

~%

203505-84-4 structure

203505-84-4

Literature: Chen, Wen; Yang, Li-Juan; Li, Yan; Wang, Xue-Quan; Wang, Shao-Jie; Wan, Wei-Chao; Zhang, Hong-Bin; Yang, Xiao-Dong Letters in Drug Design and Discovery, 2013 , vol. 10, # 7 p. 561 - 571

Precursor 3
55745-70-5 141-82-2 496-16-2
DownStream 2
215057-28-6 448964-30-5

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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