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Screening compounds

Phycourobilin

Also known as D-Urobilin, dehydro-, 21H-Biline-8,12-dipropanoic acid, 2,17-diethenyl-1,4,5,15,16,19,23,24-octahydro-3,7,13,18-tetramethyl-1,19-dioxo-, (4R,16R)-, (4R,16R)-2,17-Diethenyl-1,4,5,15,16,19,23,24-octahydro-3,7,13,18-tetramethyl-1,19-dioxo-21H-biline-8,12-dipropanoic acid

CAS 121734-26-7Formula C33H38N4O6Molar mass 586.69 g/mol
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Phycourobilin chemical structure, C33H38N4O6, CAS 121734-26-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
121734-26-7
Formula
C33H38N4O6
Molar mass
586.69 g/mol
HS code
293379
Category
Screening compounds

What is Phycourobilin?

Plain description, key identifiers and synonyms

Phycourobilin is a chemical substance with the molecular formula C33H38N4O6 and a molar mass of 586.69 g/mol. Its CAS registry number is 121734-26-7. The IUPAC name is 3-[(2Z)-2-[[3-(2-carboxyethyl)-5-[[(2R)-3-ethenyl-4-methyl-5-oxo-1,2-dihydropyrrol-2-yl]methyl]-4-methyl-1H-pyrrol-2-yl]methylidene]-5-[[(2R)-4-ethenyl-3-methyl-5-oxo-1,2-dihydropyrrol-2-yl]methyl]-4-methylpyrrol-3-yl]propanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-[(2Z)-2-[[3-(2-carboxyethyl)-5-[[(2R)-3-ethenyl-4-methyl-5-oxo-1,2-dihydropyrrol-2-yl]methyl]-4-methyl-1H-pyrrol-2-yl]methylidene]-5-[[(2R)-4-ethenyl-3-methyl-5-oxo-1,2-dihydropyrrol-2-yl]methyl]-4-methylpyrrol-3-yl]propanoic acid
CAS number
121734-26-7Other or deprecated CAS: 61932-71-6
Molecular formula
C33H38N4O6
UNII
446YNT6QXL
InChIKey
PDTNRYFWYLJKHF-PXQXBSAQSA-N
InChI
InChI=1S/C33H38N4O6/c1-7-20-19(6)32(42)37-27(20)14-25-18(5)23(10-12-31(40)41)29(35-25)15-28-22(9-11-30(38)39)17(4)24(34-28)13-26-16(3)21(8-2)33(43)36-26/h7-8,15,26-27,35H,1-2,9-14H2,3-6H3,(H,36,43)(H,37,42)(H,38,39)(H,40,41)/b28-15-/t26-,27-/m1/s1
SMILES
CC1=C(C(=O)N[C@@H]1CC2=N/C(=C\C3=C(C(=C(N3)C[C@@H]4C(=C(C(=O)N4)C)C=C)C)CCC(=O)O)/C(=C2C)CCC(=O)O)C=C

Synonyms

  • D-Urobilin, dehydro-
  • 21H-Biline-8,12-dipropanoic acid, 2,17-diethenyl-1,4,5,15,16,19,23,24-octahydro-3,7,13,18-tetramethyl-1,19-dioxo-, (4R,16R)-
  • (4R,16R)-2,17-Diethenyl-1,4,5,15,16,19,23,24-octahydro-3,7,13,18-tetramethyl-1,19-dioxo-21H-biline-8,12-dipropanoic 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
586.69 g/molcalc.
Exact mass
586.2791 Dacalc.
LogP (octanol/water)
4.25calc.
Topological polar surface area
161 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
13calc.
Heavy atoms
43calc.
Rings
4calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.36calc.
Formal charge
0calc.
Stereocentres
2calc.
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, O=C1C=CC(CC2=NC(=Cc3ccc(CC4C=CC(=O)N4)[nH]3)C=C2)N1

O=C1C=CC(CC2=NC(=Cc3ccc(CC4C=CC(=O)N4)[nH]3)C=C2)N1

4 rings, 25 atoms.

6 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.

Phycourobilin suppliers

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Phycourobilin 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 Phycourobilin is traded under.

HS 2933.79Indicative HS code

Lactams, other lactams

World exports in 2024
$16.2B
−64.4% vs 2023, imports $15.4B
2019 to 2024
Top exporters
  1. Ireland37.0%
  2. France * partner reported15.6%
  3. Spain11.3%
Top importers
  1. Germany27.8%
  2. Ireland18.9%
  3. Panama * partner reported12.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Phycourobilin?

Phycourobilin is a chemical substance with the molecular formula C33H38N4O6 and a molar mass of 586.69 g/mol. Its CAS registry number is 121734-26-7.

What is the CAS number of Phycourobilin?

The CAS registry number of Phycourobilin is 121734-26-7. Other or deprecated CAS numbers: 61932-71-6.

What is the molecular formula and weight of Phycourobilin?

The molecular formula of Phycourobilin is C33H38N4O6 and its molar mass is 586.69 g/mol.

What is Phycourobilin used for?

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

Is Phycourobilin hazardous?

No GHS hazard classification for Phycourobilin 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 Phycourobilin?

Phycourobilin is usually classified under HS code 293379 (Lactams, other lactams). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Phycourobilin?

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

What is the price of Phycourobilin?

Suppliers quote Phycourobilin 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 Phycourobilin

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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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