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Molecule

Huperzine B

CAS: 103548-82-9 · C16H20N2O

2D Structure

3D Structure

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Basic Information

CAS Registry Number
103548-82-9
Molecular Formula
C16H20N2O
Molecular Mass
256.35 g/mol

Identifiers

CAS Registry Number

103548-82-9

SMILES

CC1=C[C@H]2Cc3nc(O)ccc3[C@]3(C1)NCCC[C@H]23

InChI Key

YYWGABLTRMRUIT-HWWQOWPSSA-N

InChI

InChI=1S/C16H20N2O/c1-10-7-11-8-14-13(4-5-15(19)18-14)16(9-10)12(11)3-2-6-17-16/h4-5,7,11-12,17H,2-3,6,8-9H2,1H3,(H,18,19)/t11-,12+,16+/m0/s1

Names and Synonyms

  • Huperzine B Synonym
  • 1H-5,10b-Propeno-1,7-phenanthrolin-8(7H)-one, 2,3,4,4a,5,6-hexahydro-12-methyl-, (4aR,5R,10bR)- Synonym
  • Lycodin-1(18H)-one, 8,15-didehydro- Synonym
  • (4aR,5R,10bR)-2,3,4,4a,5,6-Hexahydro-12-methyl-1H-5,10b-propeno-1,7-phenanthrolin-8(7H)-one Synonym
  • Huperzine B Synonym
  • 8,15-Didehydro-1,18-dihydro-1-oxolycodine Synonym
  • Fordimine Synonym
  • 1H-5,10b-Propeno-1,7-phenanthrolin-8(7H)-one, 2,3,4,4a,5,6-hexahydro-12-methyl-, [4aR-(4aα,5α,10bα)]- Synonym
  • (-)-Huperzine B Synonym

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 256.35 g/mol CAS Common Chemistry
256.349 g/mol RDKit
Canonical SMILES O=C1C=CC2=C(N1)CC3C=C(C)CC42NCCCC34 CAS Common Chemistry
InChI InChI=1S/C16H20N2O/c1-10-7-11-8-14-13(4-5-15(19)18-14)16(9-10)12(11)3-2-6-17-16/h4-5,7,11-12,17H,2-3,6,8-9H2,1H3,(H,18,19)/t11-,12+,16+/m0/s1 CAS Common Chemistry
InChI Key InChIKey=YYWGABLTRMRUIT-HWWQOWPSSA-N CAS Common Chemistry
Name Huperzine B CAS Common Chemistry
Heavy Atom Count 19 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 2 RDKit
Rotatable Bonds 0 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 45.150000000000006 Ų RDKit
45.15 Ų RDKit
44.62 Ų chempirical lib
LogP 2.5044000000000004 RDKit
2.5044 RDKit
Molar Refractivity 73.87450000000004 cm³/mol RDKit
Ring Count 4 RDKit
Formal Charge 0 RDKit
Fraction Csp3 0.5625 RDKit
0.56 chempirical lib
Exact Mass 256.15756326 g/mol RDKit

Spectral Data

NMR, IR, and Mass spectral data

Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

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MW = 256.35 g/mol. Edit any field — others recompute live.

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