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1. Primary Information

English name: Pimaric acid
CAS No.: 127-27-5
Molecular formula: C20H30O2
Molecular weight: 302.5 g/mol
SMILES: CC1(CCC2C(=C1)CCC3C2(CCCC3(C)C(=O)O)C)C=C
Structural class:
Other identifiers:

pimara-8(14),15-dien-19-oic acid

pimaradienoic acid

pimaric acid

pimaric acid, (L)-isomer

Usic acid

2. Suppliers & Pricing

Supplier Pack size Purity Price (CNY) Storage conditions Lead time Notes
Kehua Intelligence 5mg HPLC≥75% 2800 2-8℃ in stock -

3. Structures

3.1 2D structure


3.2 3D structure


4. International Nomenclature & Identifiers

4.1 IUPAC Name

(1R,4aR,4bS,7S,10aR)-7-ethenyl-1,4a,7-trimethyl-3,4,4b,5,6,9,10,10a-octahydro-2H-phenanthrene-1-carboxylic acid


4.2 InChI

InChI=1S/C20H30O2/c1-5-18(2)12-9-15-14(13-18)7-8-16-19(15,3)10-6-11-20(16,4)17(21)22/h5,13,15-16H,1,6-12H2,2-4H3,(H,21,22)/t15-,16+,18+,19+,20+/m0/s1


4.3 InChIKey

MHVJRKBZMUDEEV-APQLOABGSA-N


4.4 Canonical SMILES

CC1(CCC2C(=C1)CCC3C2(CCCC3(C)C(=O)O)C)C=C


4.5 Isomeric SMILES

C[C@]1(CC[C@H]2C(=C1)CC[C@@H]3[C@@]2(CCC[C@@]3(C)C(=O)O)C)C=C

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