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Steroids and sterols

16alpha-Hydroxyprogesterone

Also known as 16alpha-Hydroxypregn-4-ene-3,20-dione, 16-alpha-Hydroxyprogesterone, 16alpha-hydroxyprogesterone1

CAS 438-07-3Formula C21H30O3Molar mass 330.47 g/molEC 881-156-4
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16alpha-Hydroxyprogesterone chemical structure, C21H30O3, CAS 438-07-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
438-07-3
Formula
C21H30O3
Molar mass
330.47 g/mol
EC number
881-156-4
HS code
291440
Category
Steroids and sterols

What is 16alpha-Hydroxyprogesterone?

Plain description, key identifiers and synonyms

16alpha-hydroxyprogesterone is a 16alpha-hydroxy steroid. It is functionally related to a progesterone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8S,9S,10R,13S,14S,16R,17R)-17-acetyl-16-hydroxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
CAS number
438-07-3 CAS number cross-checked
EC number
881-156-4
Molecular formula
C21H30O3
UNII
Y7JT9A46EO
InChIKey
LOVNYFVWYTXDRE-RMWFXKKMSA-N
InChI
InChI=1S/C21H30O3/c1-12(22)19-18(24)11-17-15-5-4-13-10-14(23)6-8-20(13,2)16(15)7-9-21(17,19)3/h10,15-19,24H,4-9,11H2,1-3H3/t15-,16+,17+,18-,19+,20+,21+/m1/s1
Canonical SMILES
CC(=O)C1C(O)CC2C3CCC4=CC(=O)CCC4(C)C3CCC21C
Isomeric SMILES
CC(=O)[C@H]1[C@@H](C[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@]34C)C)O

Synonyms

  • 16alpha-Hydroxypregn-4-ene-3,20-dione
  • 16-alpha-Hydroxyprogesterone
  • 16alpha-hydroxyprogesterone1
  • Pregn-4-ene-3,20-dione, 16alpha-hydroxy-
  • Pregn-4-ene-3,20-dione, 16-hydroxy-, (16alpha)-
  • 16alpha-hydroxy-4-pregnene-3,20-dione
  • 16-Hydroxypregn-4-ene-3,20-dione-, (16alpha)-
  • 16alpha-hydroxy-delta4-pregnene-3,20-dione
  • 16|A-Hydroxy Progesterone
  • 16alpha-Hydroxy Progesterone
  • 16a-Hydroxy Progesterone
  • (8S,9S,10R,13S,14S,16R,17R)-17-acetyl-16-hydroxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
  • 16|A-Hydroxyprogesterone
  • Pregn-4-ene-3, 16alpha-hydroxy-
  • Pregn-4-ene-3, 16-hydroxy-, (16alpha)-
  • 16-alfa-Hydroxy Progesterone
  • 16a-hydroxy-4-pregnene-3,20-dione
  • 16-alpha-Hydroxyprogesterone, 16alpha-Hydroxyprogesterone, 16alpha-hydroxyprogesterone1
  • (8S,9S,10R,13S,14S,16R,17R)-17-acetyl-16-hydroxy-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

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
330.47 g/molcalc.
Exact mass
330.2195 Dacalc.
LogP (octanol/water)
3.69calc.
Topological polar surface area
54.37 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
24calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.81calc.
Formal charge
0calc.
Stereocentres
7calc.
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.

16alpha-Hydroxyprogesterone suppliers

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

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16alpha-Hydroxyprogesterone price

Indicative price range per kg from live supplier offers

No published prices right now

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 16alpha-Hydroxyprogesterone is traded under.

HS 2914.40Indicative HS code

Ketone-alcohols and ketone-aldehydes

World exports in 2024
$199M
+2.5% vs 2023, imports $247M
2019 to 2024
Top exporters
  1. China29.5%
  2. Germany14.4%
  3. Netherlands12.7%
Top importers
  1. United States37.2%
  2. Netherlands8.5%
  3. Germany6.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 16alpha-Hydroxyprogesterone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 16alpha-Hydroxyprogesterone, based on the data on this page

What is 16alpha-Hydroxyprogesterone?

16alpha-hydroxyprogesterone is a 16alpha-hydroxy steroid. It is functionally related to a progesterone.

What is the CAS number of 16alpha-Hydroxyprogesterone?

The CAS registry number of 16alpha-Hydroxyprogesterone is 438-07-3.

What is the molecular formula and weight of 16alpha-Hydroxyprogesterone?

The molecular formula of 16alpha-Hydroxyprogesterone is C21H30O3 and its molar mass is 330.47 g/mol.

Is 16alpha-Hydroxyprogesterone hazardous?

No GHS hazard classification for 16alpha-Hydroxyprogesterone 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 16alpha-Hydroxyprogesterone?

16alpha-Hydroxyprogesterone is usually classified under HS code 291440 (Ketone-alcohols and ketone-aldehydes). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 16alpha-Hydroxyprogesterone?

Post a free request on CompoundList and suppliers of 16alpha-Hydroxyprogesterone will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 16alpha-Hydroxyprogesterone?

Suppliers quote 16alpha-Hydroxyprogesterone 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 16alpha-Hydroxyprogesterone

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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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