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Screening compounds

PS 990

Also known as 4-[2-hydroxy-4-(4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy-3,5,6-trimethylbenzoyl]oxy-2-methoxy-3,5,6-trimethylbenzoic acid, 4-(2-hydroxy-4-(4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy-3,5,6-trimethylbenzoyl)oxy-2-methoxy-3,5,6-trimethylbenzoic acid, Benzoic acid, 2-hydroxy-4-0((4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy)-3,5,6-trimethyl-, 4-carboxy-3-methoxy-2,5,6-trimethylphenyl ester

CAS 158792-23-5Formula C32H36O10Molar mass 580.63 g/mol
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PS 990 chemical structure, C32H36O10, CAS 158792-23-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
158792-23-5
Formula
C32H36O10
Molar mass
580.63 g/mol
HS code
291899
Category
Screening compounds

What is PS 990?

Plain description, key identifiers and synonyms

PS-990 is a carbonyl compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-[2-hydroxy-4-(4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy-3,5,6-trimethylbenzoyl]oxy-2-methoxy-3,5,6-trimethylbenzoic acid
CAS number
158792-23-5 CAS number cross-checked
Molecular formula
C32H36O10
InChIKey
UESGSZFVMHDIFM-UHFFFAOYSA-N
InChI
InChI=1S/C32H36O10/c1-12-15(4)24(33)18(7)28(39-10)23(12)32(38)41-26-16(5)13(2)21(25(34)19(26)8)31(37)42-27-17(6)14(3)22(30(35)36)29(40-11)20(27)9/h33-34H,1-11H3,(H,35,36)
SMILES (canonical and isomeric)
CC1=C(C(=C(C(=C1C(=O)OC2=C(C(=C(C(=C2C)C)C(=O)OC3=C(C(=C(C(=C3C)C)C(=O)O)OC)C)O)C)OC)C)O)C

Synonyms

  • 4-[2-hydroxy-4-(4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy-3,5,6-trimethylbenzoyl]oxy-2-methoxy-3,5,6-trimethylbenzoic acid
  • 4-(2-hydroxy-4-(4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy-3,5,6-trimethylbenzoyl)oxy-2-methoxy-3,5,6-trimethylbenzoic acid
  • Benzoic acid, 2-hydroxy-4-0((4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy)-3,5,6-trimethyl-, 4-carboxy-3-methoxy-2,5,6-trimethylphenyl ester
  • Benzoic acid, 2-hydroxy-4-((4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy)-3,5,6-trimethyl-, 4-carboxy-3-methoxy-2,5,6-trimethylphenyl ester
  • 4-((4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy)-2-hydroxy-3,5,6-trimethylbenzoic acid 4-carboxy-3-methoxy-2,5,6-trimethylphenyl ester
  • 4-({2-Hydroxy-4-[(4-hydroxy-2-methoxy-3,5,6-trimethylbenzoyl)oxy]-3,5,6-trimethylbenzoyl}oxy)-2-methoxy-3,5,6-trimethylbenzoic acid

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
580.63 g/molcalc.
Exact mass
580.2308 Dacalc.
LogP (octanol/water)
6.03calc.
Topological polar surface area
148.8 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
9calc.
Rotatable bonds
7calc.
Heavy atoms
42calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.34calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Fails (2 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=C(Oc1ccc(C(=O)Oc2ccccc2)cc1)c1ccccc1

O=C(Oc1ccc(C(=O)Oc2ccccc2)cc1)c1ccccc1

3 rings, 24 atoms, the Benzoic acid, 4-(benzoyloxy)-, phenyl ester ring system.

96 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.

PS 990 suppliers

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PS 990 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

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 PS 990 is traded under.

HS 2918.99Indicative HS code

Carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone)…

World exports in 2024
$1.46B
−1.1% vs 2023, imports $1.54B
2019 to 2024
Top exporters
  1. China40.0%
  2. India * partner reported26.6%
  3. Germany8.0%
Top importers
  1. United States25.6%
  2. Brazil6.7%
  3. Argentina5.9%

* Partner reported figures, a lower bound.

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

The HS code shown for PS 990 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about PS 990, based on the data on this page

What is PS 990?

PS-990 is a carbonyl compound.

What is the CAS number of PS 990?

The CAS registry number of PS 990 is 158792-23-5.

What is the molecular formula and weight of PS 990?

The molecular formula of PS 990 is C32H36O10 and its molar mass is 580.63 g/mol.

What is PS 990 used for?

Known uses and roles of PS 990 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is PS 990 hazardous?

No GHS hazard classification for PS 990 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 PS 990?

PS 990 is usually classified under HS code 291899 (Carboxylic acids with additional oxygen function and their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy PS 990?

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What is the price of PS 990?

Suppliers quote PS 990 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 PS 990

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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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