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Steroids and sterols

Sts 547

Also known as Steroid test substance 547, Androst-4-en-3-one, 17-(((ethynylamino)carbonyl)oxy)-, (17beta)-, 17beta-Ethinylaminocarbonyloxyandrost-4-ene-3-one

CAS 70894-14-3Formula C22H29NO3Molar mass 355.48 g/mol
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Sts 547 chemical structure, C22H29NO3, CAS 70894-14-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
70894-14-3
Formula
C22H29NO3
Molar mass
355.48 g/mol
HS code
292429
Category
Steroids and sterols

What is Sts 547?

Plain description, key identifiers and synonyms

Sts 547 is a chemical substance with the molecular formula C22H29NO3 and a molar mass of 355.48 g/mol. Its CAS registry number is 70894-14-3. The IUPAC name is [(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] N-ethynylcarbamate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] N-ethynylcarbamate
CAS number
70894-14-3 CAS number cross-checked
Molecular formula
C22H29NO3
InChIKey
QGEXRNJDWKCAFI-BLQWBTBKSA-N
InChI
InChI=1S/C22H29NO3/c1-4-23-20(25)26-19-8-7-17-16-6-5-14-13-15(24)9-11-21(14,2)18(16)10-12-22(17,19)3/h1,13,16-19H,5-12H2,2-3H3,(H,23,25)/t16-,17-,18-,19-,21-,22-/m0/s1
Canonical SMILES
C#CNC(=O)OC1CCC2C3CCC4=CC(=O)CCC4(C)C3CCC12C
Isomeric SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2OC(=O)NC#C)CCC4=CC(=O)CC[C@]34C

Synonyms

  • Steroid test substance 547
  • Androst-4-en-3-one, 17-(((ethynylamino)carbonyl)oxy)-, (17beta)-
  • 17beta-Ethinylaminocarbonyloxyandrost-4-ene-3-one
  • 3-Oxoandrost-4-en-17beta-yl ethynylcarbamate

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
355.48 g/molcalc.
Exact mass
355.2147 Dacalc.
LogP (octanol/water)
4.2calc.
Topological polar surface area
55.4 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
26calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.73calc.
Formal charge
0calc.
Stereocentres
6calc.
Lipinski rule of five
Passes (0 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=C2CCC3C4CCCC4CCC3C2CC1

O=C1C=C2CCC3C4CCCC4CCC3C2CC1

4 rings, 18 atoms.

1,419 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.

Sts 547 suppliers

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Sts 547 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

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 Sts 547 is traded under.

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

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

The HS code shown for Sts 547 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Sts 547, based on the data on this page

What is Sts 547?

Sts 547 is a chemical substance with the molecular formula C22H29NO3 and a molar mass of 355.48 g/mol. Its CAS registry number is 70894-14-3. The IUPAC name is [(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] N-ethynylcarbamate.

What is the CAS number of Sts 547?

The CAS registry number of Sts 547 is 70894-14-3.

What is the molecular formula and weight of Sts 547?

The molecular formula of Sts 547 is C22H29NO3 and its molar mass is 355.48 g/mol.

Is Sts 547 hazardous?

No GHS hazard classification for Sts 547 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 Sts 547?

Sts 547 is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Sts 547?

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What is the price of Sts 547?

Suppliers quote Sts 547 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

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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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