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Screening compounds

Pirolate

Also known as Pirolato, CP-32,387, Pirolatum

CAS 55149-05-8Formula C16H15N3O5Molar mass 329.31 g/mol
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Pirolate chemical structure, C16H15N3O5, CAS 55149-05-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
55149-05-8
Formula
C16H15N3O5
Molar mass
329.31 g/mol
HS code
293359
Category
Screening compounds

What is Pirolate?

Plain description, key identifiers and synonyms

Pirolate is a chemical substance with the molecular formula C16H15N3O5 and a molar mass of 329.31 g/mol. Its CAS registry number is 55149-05-8. The IUPAC name is ethyl 7,8-dimethoxy-4-oxo-3H-pyrimido[4,5-b]quinoline-2-carboxylate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethyl 7,8-dimethoxy-4-oxo-3H-pyrimido[4,5-b]quinoline-2-carboxylate
CAS number
55149-05-8 CAS number cross-checked
Molecular formula
C16H15N3O5
UNII
2LF7L6QD58
InChIKey
KIDJDJMACBOHKQ-UHFFFAOYSA-N
InChI
InChI=1S/C16H15N3O5/c1-4-24-16(21)14-18-13-9(15(20)19-14)5-8-6-11(22-2)12(23-3)7-10(8)17-13/h5-7H,4H2,1-3H3,(H,17,18,19,20)
SMILES (canonical and isomeric)
CCOC(=O)C1=NC2=C(C=C3C=C(C(=CC3=N2)OC)OC)C(=O)N1

Synonyms

  • Pirolato
  • CP-32,387
  • Pirolatum
  • Ethyl 1,4-dihydro-7,8-dimethoxy-4-oxopyrimido(4,5-b)quinoline-2-carboxylate
  • Pyrimido(4,5-b)quinoline-2-carboxylic acid, 1,4-dihydro-7,8-dimethoxy-4-oxo-, ethyl ester
  • Ethyl 1,4-dihydro-7,8-dimethoxy-4-oxopyrimido[4,5-b]quinoline-2-carboxylate
  • Ethyl 7,8-dimethoxypyrimido(4,5-b)quinolin-4(3H)-one-2-carboxylate
  • ethyl 7,8-dimethoxy-4-oxo-3H-pyrimido[4,5-b]quinoline-2-carboxylate
  • ethyl 7,8-dimethoxypyrimido[4,5-b]quinolin-4(3H)-one-2-carboxylate
  • Pirolate (USAN/INN)
  • ethyl 7,8-dimethoxy-4-oxo-1H-pyrimido[4,5-b]quinoline-2-carboxylate
  • 1,4-Dihydro-7,8-dimethoxy-4-oxopyrimido[4,5-b]quinoline-2-carboxylic acid ethyl ester
  • ethyl 7,8-dimethoxy-4-oxo-10H-pyrimido[4,5-b]quinoline-2-carboxylate
  • Pyrimido[4, 1,4-dihydro-7,8-dimethoxy-4-oxo-, ethyl ester
  • Ethyl 1,8-dimethoxy-4-oxopyrimide[4,5-b]quinoline-2-carboxylate
  • ethyl 4-hydroxy-7,8-dimethoxy-pyrimido[4,5-b]quinoline-2-carboxylate
  • Ethyl 4-hydroxy-7,8-dimethoxypyrimido[4,5-b]quinoline-2-carboxylate
  • ethyl 7,8-dimethoxy-pyrimido[4,5-b]quinolin-4(3H)-one-2-carboxylate
  • Ethyl 7,8-dimethoxypyrimido-[4,5-b]quinolin-4(3H)-one-2-carboxylate
  • Ethyl 7,8-dimethoxy-4-oxo-1,4-dihydropyrimido[4,5-b]quinoline-2-carboxylate
  • Ethyl 7,8-dimethoxy-4-oxo-3,4-dihydropyrimido[4,5-b]quinoline-2-carboxylate

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
329.31 g/molcalc.
Exact mass
329.1012 Dacalc.
LogP (octanol/water)
1.67calc.
Topological polar surface area
103.4 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
4calc.
Heavy atoms
24calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
0calc.
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=c1ncnc2[nH]c3ccccc3cc1-2

O=c1ncnc2[nH]c3ccccc3cc1-2

3 rings, 15 atoms.

5 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.

Pirolate suppliers

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Pirolate 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 Pirolate is traded under.

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Pirolate?

Pirolate is a chemical substance with the molecular formula C16H15N3O5 and a molar mass of 329.31 g/mol. Its CAS registry number is 55149-05-8. The IUPAC name is ethyl 7,8-dimethoxy-4-oxo-3H-pyrimido[4,5-b]quinoline-2-carboxylate.

What is the CAS number of Pirolate?

The CAS registry number of Pirolate is 55149-05-8.

What is the molecular formula and weight of Pirolate?

The molecular formula of Pirolate is C16H15N3O5 and its molar mass is 329.31 g/mol.

What is Pirolate used for?

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

Is Pirolate hazardous?

No GHS hazard classification for Pirolate 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 Pirolate?

Pirolate is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pirolate?

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What is the price of Pirolate?

Suppliers quote Pirolate 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 Pirolate

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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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