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Impurities and reference standards

Avanafil impurity K

Also known as 4-((3-chloro-4-methoxybenzyl)amino)-2-(methylsulfinyl)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide, Avanafil impurity 3, 4-((3-chloro-4-methoxybenzyl)amino)-2-(methyl sulfinyl)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-formamide

CAS 1364671-52-2Formula C19H19ClN6O3SMolar mass 446.92 g/mol
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Avanafil impurity K chemical structure, C19H19ClN6O3S, CAS 1364671-52-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1364671-52-2
Formula
C19H19ClN6O3S
Molar mass
446.92 g/mol
HS code
293359
Category
Impurities and reference standards

What is Avanafil impurity K?

Plain description, key identifiers and synonyms

Avanafil impurity K is a chemical substance with the molecular formula C19H19ClN6O3S and a molar mass of 446.92 g/mol. Its CAS registry number is 1364671-52-2. The IUPAC name is 4-[(3-chloro-4-methoxyphenyl)methylamino]-2-methylsulfinyl-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-[(3-chloro-4-methoxyphenyl)methylamino]-2-methylsulfinyl-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide
CAS number
1364671-52-2
Molecular formula
C19H19ClN6O3S
InChIKey
YNGRNUZYRMAZTA-UHFFFAOYSA-N
InChI
InChI=1S/C19H19ClN6O3S/c1-29-15-5-4-12(8-14(15)20)9-23-17-13(10-25-19(26-17)30(2)28)18(27)24-11-16-21-6-3-7-22-16/h3-8,10H,9,11H2,1-2H3,(H,24,27)(H,23,25,26)
SMILES (canonical and isomeric)
COC1=C(C=C(C=C1)CNC2=NC(=NC=C2C(=O)NCC3=NC=CC=N3)S(=O)C)Cl

Synonyms

  • 4-((3-chloro-4-methoxybenzyl)amino)-2-(methylsulfinyl)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide
  • Avanafil impurity 3
  • 4-((3-chloro-4-methoxybenzyl)amino)-2-(methyl sulfinyl)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-formamide
  • 4-((3-chloro-4-methoxybenzyl)amino)-2-(methylsulfinyl)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-formamide
  • 4-((3-chloro-4-methoxybenzyl)amino)-2-(methylsulphinyl)-N-(pyrimidin-2-ylmethyl) pyrimidine-5-formamide
  • 4-((3-chloro-4-methoxybenzyl)amino)-2-(methylsulphinyl)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-formamide

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
446.92 g/molcalc.
Exact mass
446.0928 Dacalc.
LogP (octanol/water)
2.21calc.
Topological polar surface area
119 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
8calc.
Heavy atoms
30calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.21calc.
Formal charge
0calc.
Stereocentres
1calc.
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=C(NCc1ncccn1)c1cncnc1NCc1ccccc1

O=C(NCc1ncccn1)c1cncnc1NCc1ccccc1

3 rings, 24 atoms.

3 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.

Avanafil impurity K suppliers

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Avanafil impurity K 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

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

Frequently asked questions

Quick answers about Avanafil impurity K, based on the data on this page

What is Avanafil impurity K?

Avanafil impurity K is a chemical substance with the molecular formula C19H19ClN6O3S and a molar mass of 446.92 g/mol. Its CAS registry number is 1364671-52-2. The IUPAC name is 4-[(3-chloro-4-methoxyphenyl)methylamino]-2-methylsulfinyl-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide.

What is the CAS number of Avanafil impurity K?

The CAS registry number of Avanafil impurity K is 1364671-52-2.

What is the molecular formula and weight of Avanafil impurity K?

The molecular formula of Avanafil impurity K is C19H19ClN6O3S and its molar mass is 446.92 g/mol.

Is Avanafil impurity K hazardous?

No GHS hazard classification for Avanafil impurity K 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 Avanafil impurity K?

Avanafil impurity K 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 Avanafil impurity K?

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

What is the price of Avanafil impurity K?

Suppliers quote Avanafil impurity K 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 Avanafil impurity K

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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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