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Stabilizers and polymer additives

Nbd-556

Also known as NBD 556, N1-(4-chlorophenyl)-N2-(2,2,6,6-tetramethylpiperidin-4-yl)oxalamide, N-(4-chlorophenyl)-N'-(2,2,6,6-tetramethylpiperidin-4-yl)ethanediamide

CAS 333353-44-9Formula C17H24ClN3O2Molar mass 337.85 g/molEC 806-051-2
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 2 suppliers listed
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Nbd-556 chemical structure, C17H24ClN3O2, CAS 333353-44-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
333353-44-9
Formula
C17H24ClN3O2
Molar mass
337.85 g/mol
EC number
806-051-2
HS code
293339
Category
Stabilizers and polymer additives

What is Nbd-556?

Plain description, key identifiers and synonyms

Nbd-556 is a chemical substance with the molecular formula C17H24ClN3O2 and a molar mass of 337.85 g/mol. Its CAS registry number is 333353-44-9. The IUPAC name is N'-(4-chlorophenyl)-N-(2,2,6,6-tetramethylpiperidin-4-yl)oxamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N'-(4-chlorophenyl)-N-(2,2,6,6-tetramethylpiperidin-4-yl)oxamide
CAS number
333353-44-9 CAS number cross-checked
EC number
806-051-2
Molecular formula
C17H24ClN3O2
MDL number
MFCD00469538
InChIKey
ZKXLQCIOURANAD-UHFFFAOYSA-N
InChI
InChI=1S/C17H24ClN3O2/c1-16(2)9-13(10-17(3,4)21-16)20-15(23)14(22)19-12-7-5-11(18)6-8-12/h5-8,13,21H,9-10H2,1-4H3,(H,19,22)(H,20,23)
SMILES (canonical and isomeric)
CC1(CC(CC(N1)(C)C)NC(=O)C(=O)NC2=CC=C(C=C2)Cl)C

Synonyms

  • NBD 556
  • N1-(4-chlorophenyl)-N2-(2,2,6,6-tetramethylpiperidin-4-yl)oxalamide
  • N-(4-chlorophenyl)-N'-(2,2,6,6-tetramethylpiperidin-4-yl)ethanediamide
  • N1-(4-Chlorophenyl)-N2-(2,2,6,6-tetramethyl-4-piperidinyl)ethanediamide
  • Ethanediamide, N-(4-chlorophenyl)-N'-(2,2,6,6-tetramethyl-4-piperidinyl)-
  • N'-(4-chlorophenyl)-N-(2,2,6,6-tetramethylpiperidin-4-yl)oxamide
  • N'-(4-Chlorophenyl)-N-(2,2,6,6-tetramethylpiperidin-4-yl)ethanediamide
  • N1-(4-Chlorophenyl)-N2-(2,2,6,6-tetramethyl-4-piperidinyl)-ethanediamide
  • N'-(4-chlorophenyl)-N-(2,2,6,6-tetramethyl-4-piperidyl)oxamide
  • N-(4-chlorophenyl)-N'-(2,2,6,6-tetramethyl-4-piperidyl)oxamide
  • N-(4-chlorophenyl)-N''-(2,2,6,6-tetramethylpiperidin-4-yl)-oxalamide
  • N-(4-chlorophenyl)-N'-(2,2,6,6-tetramethyl-piperidin-4-yl)-oxalamide
  • N1-(4-Chloroophenyl)-N2-(2,2,6,6-tetramethyl-4-piperidinyl)-ethanediamide
  • N~1~-(4-Chlorophenyl)-N~2~-(2,2,6,6-tetramethylpiperidin-4-yl)ethanediamide

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
337.85 g/molcalc.
Exact mass
337.1557 Dacalc.
LogP (octanol/water)
2.7calc.
Topological polar surface area
70.23 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
23calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.53calc.
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=C(Nc1ccccc1)C(=O)NC1CCNCC1

O=C(Nc1ccccc1)C(=O)NC1CCNCC1

2 rings, 18 atoms.

17 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H301Toxic if swallowed.
Precautionary statements (7)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Nbd-556 suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 2 suppliers
  • Axon Medchem
    United States, RestonUnclaimed profile
    Nbd-556Grade, purity and minimum order on request
    Price on request
    View
  • ChemBridge Corporation
    United States, San DiegoUnclaimed profile
    Nbd-556Grade, purity and minimum order on request
    Price on request
    View

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 1 country

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Nbd-556 price

Indicative price range per kg from live supplier offers

No published prices right now

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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 Nbd-556 is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

The HS code shown for Nbd-556 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Nbd-556, based on the data on this page

What is Nbd-556?

Nbd-556 is a chemical substance with the molecular formula C17H24ClN3O2 and a molar mass of 337.85 g/mol. Its CAS registry number is 333353-44-9. The IUPAC name is N'-(4-chlorophenyl)-N-(2,2,6,6-tetramethylpiperidin-4-yl)oxamide.

What is the CAS number of Nbd-556?

The CAS registry number of Nbd-556 is 333353-44-9.

What is the molecular formula and weight of Nbd-556?

The molecular formula of Nbd-556 is C17H24ClN3O2 and its molar mass is 337.85 g/mol.

What is Nbd-556 used for?

Known uses and roles of Nbd-556 include uv absorbers and light stabilizers in paints and coatings and uv stabilizers in plastics and polymers.

Is Nbd-556 hazardous?

Nbd-556 carries the GHS signal word "Danger". Main hazards: toxic if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Nbd-556?

Nbd-556 is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Nbd-556?

CompoundList lists 2 suppliers of Nbd-556 in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Nbd-556?

Suppliers quote Nbd-556 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

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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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