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Steroids and sterols

Spirostan

Also known as 3-Desoxysmilagenin, spirostane, (1R,2S,4S,6R,7S,8R,9S,12S,13S)-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosane-6,2'-oxane]

CAS 6173-22-4Formula C27H44O2Molar mass 400.65 g/mol
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Spirostan chemical structure, C27H44O2, CAS 6173-22-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6173-22-4
Formula
C27H44O2
Molar mass
400.65 g/mol
HS code
293299
Category
Steroids and sterols

What is Spirostan?

Plain description, key identifiers and synonyms

Spirostan is a steroid fundamental parent and an oxaspiro compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1R,2S,4S,6R,7S,8R,9S,12S,13S)-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosane-6,2'-oxane]
CAS number
6173-22-4 CAS number cross-checked
Molecular formula
C27H44O2
InChIKey
INLFWQCRAJUDCR-LHVCHFHMSA-N
InChI
InChI=1S/C27H44O2/c1-17-10-14-27(28-16-17)18(2)24-23(29-27)15-22-20-9-8-19-7-5-6-12-25(19,3)21(20)11-13-26(22,24)4/h17-24H,5-16H2,1-4H3/t17?,18-,19?,20+,21-,22-,23-,24-,25-,26-,27+/m0/s1
Canonical SMILES
CC1CCC2(OC1)OC1CC3C4CCC5CCCCC5(C)C4CCC3(C)C1C2C
Isomeric SMILES
C[C@H]1[C@H]2[C@H](C[C@@H]3[C@@]2(CC[C@H]4[C@H]3CCC5[C@@]4(CCCC5)C)C)O[C@]16CCC(CO6)C

Synonyms

  • 3-Desoxysmilagenin
  • spirostane
  • (1R,2S,4S,6R,7S,8R,9S,12S,13S)-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosane-6,2'-oxane]

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
400.65 g/molcalc.
Exact mass
400.3341 Dacalc.
LogP (octanol/water)
6.82calc.
Topological polar surface area
18.46 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
29calc.
Rings
6calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
11calc.
Lipinski rule of five
Passes (1 violation)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, C1CCC2(CC3C(CC4C3CCC3C5CCCCC5CCC34)O2)OC1

C1CCC2(CC3C(CC4C3CCC3C5CCCCC5CCC34)O2)OC1

6 rings, 25 atoms.

58 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Spirostan suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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Spirostan price

Indicative price range per kg from live supplier offers

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Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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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

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Spirostan?

Spirostan is a steroid fundamental parent and an oxaspiro compound.

What is the CAS number of Spirostan?

The CAS registry number of Spirostan is 6173-22-4.

What is the molecular formula and weight of Spirostan?

The molecular formula of Spirostan is C27H44O2 and its molar mass is 400.65 g/mol.

Is Spirostan hazardous?

No GHS hazard classification for Spirostan is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Spirostan?

Spirostan is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Spirostan?

Post a free request on CompoundList and suppliers of Spirostan will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Spirostan?

Suppliers quote Spirostan 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 Spirostan

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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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