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Steroids and sterols

Strophanthin

Also known as Combetin, Eustrophinum, Strophantin

CAS 11005-63-3Formula C42H64O19Molar mass 872.96 g/molEC 234-239-9
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Serious health hazard
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Strophanthin chemical structure, C42H64O19, CAS 11005-63-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
11005-63-3
Formula
C42H64O19
Molar mass
872.96 g/mol
EC number
234-239-9
HS code
293890
Category
Steroids and sterols

What is Strophanthin?

Plain description, key identifiers and synonyms

Strophanthin is a chemical substance with the molecular formula C42H64O19 and a molar mass of 872.96 g/mol. Its CAS registry number is 11005-63-3. The IUPAC name is (3S,5S,8R,9S,10S,13R,14S,17R)-3-[(2R,4S,5R,6R)-5-[(2R,3S,4S,5R,6S)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-5,14-dihydroxy-13-methyl-17-(5-oxo-2H-furan-3-yl)-2,3,4,6,7,8,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-10-carbaldehyde.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(3S,5S,8R,9S,10S,13R,14S,17R)-3-[(2R,4S,5R,6R)-5-[(2R,3S,4S,5R,6S)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-5,14-dihydroxy-13-methyl-17-(5-oxo-2H-furan-3-yl)-2,3,4,6,7,8,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-10-carbaldehyde
CAS number
11005-63-3 CAS number cross-checked
EC number
234-239-9
Molecular formula
C42H64O19
InChIKey
CTNPHHZPAJYPFO-PDXBGNJTSA-N
InChI
InChI=1S/C42H64O19/c1-19-35(60-38-34(51)32(49)36(27(16-44)59-38)61-37-33(50)31(48)30(47)26(15-43)58-37)25(54-3)13-29(56-19)57-21-4-9-40(18-45)23-5-8-39(2)22(20-12-28(46)55-17-20)7-11-42(39,53)24(23)6-10-41(40,52)14-21/h12,18-19,21-27,29-38,43-44,47-53H,4-11,13-17H2,1-3H3/t19-,21+,22-,23+,24-,25+,26-,27+,29+,30-,31+,32+,33-,34+,35-,36+,37+,38-,39-,40+,41+,42+/m1/s1
Canonical SMILES
COC1CC(OC2CCC3(C=O)C4CCC5(C)C(C6=CC(=O)OC6)CCC5(O)C4CCC3(O)C2)OC(C)C1OC1OC(CO)C(OC2OC(CO)C(O)C(O)C2O)C(O)C1O
Isomeric SMILES
C[C@@H]1[C@H]([C@H](C[C@@H](O1)O[C@H]2CC[C@@]3([C@H]4CC[C@@]5([C@H](CC[C@@]5([C@@H]4CC[C@@]3(C2)O)O)C6=CC(=O)OC6)C)C=O)OC)O[C@@H]7[C@H]([C@@H]([C@H]([C@@H](O7)CO)O[C@H]8[C@@H]([C@H]([C@@H]([C@H](O8)CO)O)O)O)O)O

Synonyms

  • Combetin
  • Eustrophinum
  • Strophantin

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
872.96 g/molcalc.
Exact mass
872.4042 Dacalc.
LogP (octanol/water)
-1.92calc.
Topological polar surface area
290.1 Ųcalc.
Hydrogen bond donors
9calc.
Hydrogen bond acceptors
19calc.
Rotatable bonds
11calc.
Heavy atoms
61calc.
Rings
8calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.91calc.
Formal charge
0calc.
Stereocentres
22calc.
Lipinski rule of five
Fails (3 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1C=C(C2CCC3C2CCC2C4CCC(OC5CCC(OC6CCC(OC7CCCCO7)CO6)CO5)CC4CCC23)CO1

O=C1C=C(C2CCC3C2CCC2C4CCC(OC5CCC(OC6CCC(OC7CCCCO7)CO6)CO5)CC4CCC23)CO1

8 rings, 44 atoms.

55 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H301Toxic if swallowed.
  • H331Toxic if inhaled.
  • H373May cause damage to organs through prolonged or repeated exposure.
Precautionary statements (14)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Strophanthin suppliers

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Strophanthin price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 614-026-00-0

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Strophantines, their aglucones and their respective derivatives, Ref no: 302, Annex ref: II/302

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Strophanthin is traded under.

HS 2938.90Indicative HS code

Natural or reproduced by synthesis, other than rutoside (rutin) and its derivatives

World exports in 2024
$1.4B
−8.3% vs 2023, imports $1.35B
2019 to 2024
Top exporters
  1. China49.2%
  2. France * partner reported8.9%
  3. Malaysia6.1%
Top importers
  1. United States22.3%
  2. India * partner reported7.8%
  3. Brazil5.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Strophanthin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Strophanthin, based on the data on this page

What is Strophanthin?

Strophanthin is a chemical substance with the molecular formula C42H64O19 and a molar mass of 872.96 g/mol. Its CAS registry number is 11005-63-3.

What is the CAS number of Strophanthin?

The CAS registry number of Strophanthin is 11005-63-3.

What is the molecular formula and weight of Strophanthin?

The molecular formula of Strophanthin is C42H64O19 and its molar mass is 872.96 g/mol.

Is Strophanthin hazardous?

Strophanthin carries the GHS signal word "Danger". Main hazards: toxic if swallowed, toxic if inhaled, may cause damage to organs through prolonged or repeated exposure. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Strophanthin?

Strophanthin is usually classified under HS code 293890 (Glycosides, natural or reproduced by synthesis, and their salts, ethers, esters and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Strophanthin?

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What is the price of Strophanthin?

Suppliers quote Strophanthin on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Strophanthin

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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