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Heterocyclic building blocks

BL 5255

Also known as 4(1H)-Pyrimidinone, 2-(2-propoxyphenyl)-5-(1H-tetrazol-5-yl)-, 2-(2-n-Propoxyphenyl)-5-(5-1H-tetrazolyl)pyrimidin-4(3H)-one, 2-(2-n-Propoxyphenyl)-5-(5-1H-tetrazolyl) pyrimidin-4(3H)-one

CAS 64634-09-9Formula C14H14N6O2Molar mass 298.31 g/mol
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BL 5255 chemical structure, C14H14N6O2, CAS 64634-09-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
64634-09-9
Formula
C14H14N6O2
Molar mass
298.31 g/mol
HS code
293359
Category
Heterocyclic building blocks

What is BL 5255?

Plain description, key identifiers and synonyms

BL 5255 is a chemical substance with the molecular formula C14H14N6O2 and a molar mass of 298.31 g/mol. Its CAS registry number is 64634-09-9. The IUPAC name is 2-(2-propoxyphenyl)-5-(2H-tetrazol-5-yl)-1H-pyrimidin-6-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(2-propoxyphenyl)-5-(2H-tetrazol-5-yl)-1H-pyrimidin-6-one
CAS number
64634-09-9 CAS number cross-checked
Molecular formula
C14H14N6O2
UNII
U6SF3U21BI
InChIKey
NHBDYNVEEOSTIH-UHFFFAOYSA-N
InChI
InChI=1S/C14H14N6O2/c1-2-7-22-11-6-4-3-5-9(11)12-15-8-10(14(21)16-12)13-17-19-20-18-13/h3-6,8H,2,7H2,1H3,(H,15,16,21)(H,17,18,19,20)
SMILES (canonical and isomeric)
CCCOC1=CC=CC=C1C2=NC=C(C(=O)N2)C3=NNN=N3

Synonyms

  • 4(1H)-Pyrimidinone, 2-(2-propoxyphenyl)-5-(1H-tetrazol-5-yl)-
  • 2-(2-n-Propoxyphenyl)-5-(5-1H-tetrazolyl)pyrimidin-4(3H)-one
  • 2-(2-n-Propoxyphenyl)-5-(5-1H-tetrazolyl) pyrimidin-4(3H)-one
  • 4(3H)-pyrimidinone, 2-(2-propoxyphenyl)-5-(2H-tetrazol-5-yl)-
  • 5-(1,2-Dihydro-5H-tetrazol-5-ylidene)-2-(2-propoxyphenyl)pyrimidin-4(5H)-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
298.31 g/molcalc.
Exact mass
298.1178 Dacalc.
LogP (octanol/water)
1.41calc.
Topological polar surface area
109.4 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
5calc.
Heavy atoms
22calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.21calc.
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=c1[nH]c(-c2ccccc2)ncc1-c1nn[nH]n1

O=c1[nH]c(-c2ccccc2)ncc1-c1nn[nH]n1

3 rings, 18 atoms.

1 other chemical 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.

BL 5255 suppliers

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BL 5255 price

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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 BL 5255 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 BL 5255 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about BL 5255, based on the data on this page

What is BL 5255?

BL 5255 is a chemical substance with the molecular formula C14H14N6O2 and a molar mass of 298.31 g/mol. Its CAS registry number is 64634-09-9. The IUPAC name is 2-(2-propoxyphenyl)-5-(2H-tetrazol-5-yl)-1H-pyrimidin-6-one.

What is the CAS number of BL 5255?

The CAS registry number of BL 5255 is 64634-09-9.

What is the molecular formula and weight of BL 5255?

The molecular formula of BL 5255 is C14H14N6O2 and its molar mass is 298.31 g/mol.

What is BL 5255 used for?

Known uses and roles of BL 5255 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is BL 5255 hazardous?

No GHS hazard classification for BL 5255 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 BL 5255?

BL 5255 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 BL 5255?

Post a free request on CompoundList and suppliers of BL 5255 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of BL 5255?

Suppliers quote BL 5255 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 BL 5255

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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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