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Steroids and sterols

AL-3841

Also known as 17-Methyl-5beta-androstane-3alpha,17beta-diol, 17alpha-methyl-5beta-androstan-3alpha,17beta-diol, 17alpha-methyl-5beta-androstane-3alpha,17beta-diol

CAS 641-84-9Formula C20H34O2Molar mass 306.49 g/molEC 111-748-3
GHS signal word: Warning. Pictograms: Serious health hazard
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AL-3841 chemical structure, C20H34O2, CAS 641-84-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
641-84-9
Formula
C20H34O2
Molar mass
306.49 g/mol
EC number
111-748-3
HS code
290613
Category
Steroids and sterols

What is AL-3841?

Plain description, key identifiers and synonyms

AL-3841 is a chemical substance with the molecular formula C20H34O2 and a molar mass of 306.49 g/mol. Its CAS registry number is 641-84-9. The IUPAC name is (3R,5R,8R,9S,10S,13S,14S,17S)-10,13,17-trimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthrene-3,17-diol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(3R,5R,8R,9S,10S,13S,14S,17S)-10,13,17-trimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthrene-3,17-diol
CAS number
641-84-9
EC number
111-748-3
Molecular formula
C20H34O2
UNII
I2617LFT4V
InChIKey
QGKQXZFZOIQFBI-BJOXDUDZSA-N
InChI
InChI=1S/C20H34O2/c1-18-9-6-14(21)12-13(18)4-5-15-16(18)7-10-19(2)17(15)8-11-20(19,3)22/h13-17,21-22H,4-12H2,1-3H3/t13-,14-,15-,16+,17+,18+,19+,20+/m1/s1
Canonical SMILES
CC12CCC(O)CC1CCC1C2CCC2(C)C1CCC2(C)O
Isomeric SMILES
C[C@]12CC[C@H](C[C@H]1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C)O)C)O

Synonyms

  • 17-Methyl-5beta-androstane-3alpha,17beta-diol
  • 17alpha-methyl-5beta-androstan-3alpha,17beta-diol
  • 17alpha-methyl-5beta-androstane-3alpha,17beta-diol
  • Androstane-3,17-diol, 17-methyl-, (3alpha,5beta,17.beta.)-
  • Androstane-3,17-diol, 17-methyl-, (3alpha,5beta,17beta)-
  • Androstan-3,17-diol, 17-methyl-, (3alpha,5beta,17beta)-
  • (3R,5R,8R,9S,10S,13S,14S,17S)-10,13,17-trimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthrene-3,17-diol
  • 17-Methyl-5b-androstane-3a,17b-diol
  • 17-Methyl-5-androstane-3,17-diol
  • 17alpha-Methyl-5beta-androstane-3alpha17beta-diol
  • 17alpha-Methyl-5beta-androstane-3alpha,17beta-diol degrees

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
306.49 g/molcalc.
Exact mass
306.2559 Dacalc.
LogP (octanol/water)
4.14calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
22calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
8calc.
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, C1CCC2C(C1)CCC1C3CCCC3CCC21

C1CCC2C(C1)CCC1C3CCCC3CCC21

4 rings, 17 atoms.

1,694 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H361fdSuspected of damaging fertility. Suspected of damaging the unborn child.
Precautionary statements (5)
  • P203Obtain, read and follow all safety instructions before use.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • 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

AL-3841 suppliers

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AL-3841 price

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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 AL-3841 is traded under.

HS 2906.13Indicative HS code

Sterols and inositols

World exports in 2024
$316M
−12.1% vs 2023, imports $291M
2019 to 2024
Top exporters
  1. China42.0%
  2. United States16.4%
  3. Netherlands9.6%
Top importers
  1. Ecuador * partner reported13.0%
  2. China13.0%
  3. United States9.4%

* Partner reported figures, a lower bound.

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

The HS code shown for AL-3841 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about AL-3841, based on the data on this page

What is AL-3841?

AL-3841 is a chemical substance with the molecular formula C20H34O2 and a molar mass of 306.49 g/mol. Its CAS registry number is 641-84-9. The IUPAC name is (3R,5R,8R,9S,10S,13S,14S,17S)-10,13,17-trimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthrene-3,17-diol.

What is the CAS number of AL-3841?

The CAS registry number of AL-3841 is 641-84-9.

What is the molecular formula and weight of AL-3841?

The molecular formula of AL-3841 is C20H34O2 and its molar mass is 306.49 g/mol.

Is AL-3841 hazardous?

AL-3841 carries the GHS signal word "Warning". Main hazards: suspected of damaging fertility. suspected of damaging the unborn child. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of AL-3841?

AL-3841 is usually classified under HS code 290613 (Sterols and inositols). This is indicative, confirm it with your customs broker before shipping.

Where can I buy AL-3841?

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What is the price of AL-3841?

Suppliers quote AL-3841 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

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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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