CAS No.: 21947-71-7 — Cinnamic anhydride (Bis(trans-cinnamic acid)anhydride)

1. Primary Information

English name:	Cinnamic anhydride
CAS No.:	21947-71-7
Molecular formula:	C₁₈H₁₄O₃
Molecular weight:	278.3 g/mol
SMILES:	C1=CC=C(C=C1)C=CC(=O)OC(=O)C=CC2=CC=CC=C2
Structural class:
Other identifiers:	cinnamic anhydride cinnamic anhydride, (E,E)-isomer

2. Suppliers & Pricing

Supplier	Pack size	Purity	Price (CNY)	Storage conditions	Lead time	Notes
Kehua Intelligence	20mg	HPLC≥98%	768	2-8℃	in stock	-

3. Structures

3.1 2D structure

3.2 3D structure

-1 -2 -3 35 36 0 0 0 0 0 0 0999 V2000 -0.0003 -0.6563 -0.0011 O 0 0 0 0 0 0 0 0 0 0 0 0 1.3115 -2.5744 -0.0126 O 0 0 0 0 0 0 0 0 0 0 0 0 -1.3116 -2.5748 0.0130 O 0 0 0 0 0 0 0 0 0 0 0 0 4.7214 0.0811 -0.0254 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.7214 0.0807 0.0258 C 0 0 0 0 0 0 0 0 0 0 0 0 4.5852 1.3960 -0.4403 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.5840 1.3960 0.4392 C 0 0 0 0 0 0 0 0 0 0 0 0 5.9445 -0.4214 0.3881 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.9453 -0.4215 -0.3861 C 0 0 0 0 0 0 0 0 0 0 0 0 3.5410 -0.8010 -0.0242 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.5417 -0.8021 0.0242 C 0 0 0 0 0 0 0 0 0 0 0 0 5.7025 2.2310 -0.4419 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.7008 2.2318 0.4410 C 0 0 0 0 0 0 0 0 0 0 0 0 7.0617 0.4137 0.3867 C 0 0 0 0 0 0 0 0 0 0 0 0 -7.0621 0.4144 -0.3843 C 0 0 0 0 0 0 0 0 0 0 0 0 6.9406 1.7399 -0.0283 C 0 0 0 0 0 0 0 0 0 0 0 0 -6.9397 1.7410 0.0292 C 0 0 0 0 0 0 0 0 0 0 0 0 2.2701 -0.3740 -0.0247 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.2709 -0.3746 0.0229 C 0 0 0 0 0 0 0 0 0 0 0 0 1.1652 -1.3626 -0.0120 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.1657 -1.3629 0.0108 C 0 0 0 0 0 0 0 0 0 0 0 0 3.6472 1.8148 -0.7907 H 0 0 0 0 0 0 0 0 0 0 0 0 -3.6455 1.8147 0.7883 H 0 0 0 0 0 0 0 0 0 0 0 0 6.0546 -1.4519 0.7154 H 0 0 0 0 0 0 0 0 0 0 0 0 -6.0565 -1.4521 -0.7122 H 0 0 0 0 0 0 0 0 0 0 0 0 3.7583 -1.8668 -0.0115 H 0 0 0 0 0 0 0 0 0 0 0 0 -3.7591 -1.8678 0.0132 H 0 0 0 0 0 0 0 0 0 0 0 0 5.6100 3.2624 -0.7698 H 0 0 0 0 0 0 0 0 0 0 0 0 -5.6075 3.2634 0.7677 H 0 0 0 0 0 0 0 0 0 0 0 0 8.0261 0.0315 0.7087 H 0 0 0 0 0 0 0 0 0 0 0 0 -8.0270 0.0326 -0.7049 H 0 0 0 0 0 0 0 0 0 0 0 0 7.8108 2.3897 -0.0306 H 0 0 0 0 0 0 0 0 0 0 0 0 -7.8096 2.3913 0.0317 H 0 0 0 0 0 0 0 0 0 0 0 0 1.9929 0.6738 -0.0099 H 0 0 0 0 0 0 0 0 0 0 0 0 -1.9937 0.6731 0.0064 H 0 0 0 0 0 0 0 0 0 0 0 0 1 20 1 0 0 0 0 1 21 1 0 0 0 0 2 20 2 0 0 0 0 3 21 2 0 0 0 0 4 6 2 0 0 0 0 4 8 1 0 0 0 0 4 10 1 0 0 0 0 5 7 2 0 0 0 0 5 9 1 0 0 0 0 5 11 1 0 0 0 0 6 12 1 0 0 0 0 6 22 1 0 0 0 0 7 13 1 0 0 0 0 7 23 1 0 0 0 0 8 14 2 0 0 0 0 8 24 1 0 0 0 0 9 15 2 0 0 0 0 9 25 1 0 0 0 0 10 18 2 0 0 0 0 10 26 1 0 0 0 0 11 19 2 0 0 0 0 11 27 1 0 0 0 0 12 16 2 0 0 0 0 12 28 1 0 0 0 0 13 17 2 0 0 0 0 13 29 1 0 0 0 0 14 16 1 0 0 0 0 14 30 1 0 0 0 0 15 17 1 0 0 0 0 15 31 1 0 0 0 0 16 32 1 0 0 0 0 17 33 1 0 0 0 0 18 20 1 0 0 0 0 18 34 1 0 0 0 0 19 21 1 0 0 0 0 19 35 1 0 0 0 0

4. International Nomenclature & Identifiers

4.1 IUPAC Name

[(E)-3-phenylprop-2-enoyl] (E)-3-phenylprop-2-enoate

4.2 InChI

InChI=1S/C18H14O3/c19-17(13-11-15-7-3-1-4-8-15)21-18(20)14-12-16-9-5-2-6-10-16/h1-14H/b13-11+,14-12+

4.3 InChIKey

FXEDRSGUZBCDMO-PHEQNACWSA-N

4.4 Canonical SMILES

C1=CC=C(C=C1)C=CC(=O)OC(=O)C=CC2=CC=CC=C2

4.5 Isomeric SMILES

C1=CC=C(C=C1)/C=C/C(=O)OC(=O)/C=C/C2=CC=CC=C2

4.6 SDF file

Coming soon

5. Spectroscopic data

5.1 ¹³C nuclear magnetic resonance (¹³C NMR)

5.2 ¹H nuclear magnetic resonance (¹H NMR)

5.3 Mass spectrometry (MS)

Coming soon

5.4 Infrared spectroscopy (IR)

Coming soon

5.5 Ultraviolet/visible spectroscopy (UV/Vis)

Coming soon

1. Primary Information

2. Suppliers & Pricing

3. Structures

3.1 2D structure

3.2 3D structure

4. International Nomenclature & Identifiers

4.1 IUPAC Name

4.2 InChI

4.3 InChIKey

4.4 Canonical SMILES

4.5 Isomeric SMILES

4.6 SDF file

5. Spectroscopic data

5.1 13C nuclear magnetic resonance (13C NMR)

5.2 1H nuclear magnetic resonance (1H NMR)

5.3 Mass spectrometry (MS)

5.4 Infrared spectroscopy (IR)

5.5 Ultraviolet/visible spectroscopy (UV/Vis)

5.1 ¹³C nuclear magnetic resonance (¹³C NMR)

5.2 ¹H nuclear magnetic resonance (¹H NMR)