Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Acetonitrile, (1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)-, (2E)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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196597-79-2

196597-79-2 structure

196597-79-2 structure

Name: (E)-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-ylidene)acetonitrile
Chemical Name: (2E)-2-(1,2,6,7-tetrahydrocyclopenta[e][1]benzofuran-8-ylidene)acetonitrile
CAS Number: 196597-79-2
Molecular Formula: C₁₃H₁₁NO
Molecular Weight: 197.232
Create Date: 2018-06-11 18:08:09
Modify Date: 2026-07-08 21:45:36

Name	(2E)-2-(1,2,6,7-tetrahydrocyclopenta[e][1]benzofuran-8-ylidene)acetonitrile
Synonyms	QC-4937 (1,2,6,7-Tetrahydro-3-oxa-as-indacen-8-ylidene)-acetonitrile 2-(1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetonitrile (E)-2-(6,7-dihydro-1H-indeno[5,4-b]furan-8(2H)-ylidene)acetonitrile Ramelteon Imputiry B (E)-2-(6,7-Dihydro-1H-indeno[5,4-b]furan-8(2H)-ylidone)Acetonitrile (E) -2- (1,2,6,7- tetrahydro -8H- indeno [5,4-b] furan-8-ylidene) acetonitrile (2E)-1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylideneethanenitrile Acetonitrile, 2-(1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)-, (2E) Acetonitrile, (1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)-, (2E) Ramelteon Impurity 6 (2E)-2-(1,2,6,7-tetrahydrocyclopenta[e]benzofuran-8-ylidene)acetonitrile (1, 6,7,8-Tetrahydro-2H-indeno-[5,4-b]furan-8-ylidene) -acetonitrile (2E)-1,2,6,7-Tetrahydro-8H-indeno[5,4-b]furan-8-ylideneacetonitrile (E)-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-ylidene)acetonitrile Ramelteon-2 (E)-2-(6,7-Dihydro-1H-indeno[5,4-b]furan-8(2H)-ylidene)acetonitrile

Density	1.321±0.06 g/cm3
Boiling Point	392.1±21.0 °C at 760 mmHg
Melting Point	146-151 ºC
Molecular Formula	C₁₃H₁₁NO
Molecular Weight	197.232
Flash Point	165.0±15.9 °C
Exact Mass	197.084061
PSA	33.02000
LogP	3.10
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.711

HS Code	2932999099

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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