CompoundList
Sign in
Peptides

Tapi-0

Also known as TAPI 0, N-{(2r)-2-[2-(Hydroxyamino)-2-Oxoethyl]-4-Methylpentanoyl}-3-Naphthalen-2-Yl-L-Alanyl-L-Alaninamide, N-[(2R)-2-[2-(Hydroxyamino)-2-oxoethyl]-4-methyl-1-oxopentyl]-3-(2-naphthalenyl)-L-alanyl-L-alaninamide

CAS 163958-73-4Formula C24H32N4O5Molar mass 456.54 g/molEC 110-143-1
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 1 supplier listed
Get quotes See the supplier
Tapi-0 chemical structure, C24H32N4O5, CAS 163958-73-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
163958-73-4
Formula
C24H32N4O5
Molar mass
456.54 g/mol
EC number
110-143-1
HS code
292800
Category
Peptides

What is Tapi-0?

Plain description, key identifiers and synonyms

Tapi-0 is a chemical substance with the molecular formula C24H32N4O5 and a molar mass of 456.54 g/mol. Its CAS registry number is 163958-73-4. The IUPAC name is (2R)-N-[(2S)-1-[[(2S)-1-amino-1-oxopropan-2-yl]amino]-3-naphthalen-2-yl-1-oxopropan-2-yl]-N'-hydroxy-2-(2-methylpropyl)butanediamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R)-N-[(2S)-1-[[(2S)-1-amino-1-oxopropan-2-yl]amino]-3-naphthalen-2-yl-1-oxopropan-2-yl]-N'-hydroxy-2-(2-methylpropyl)butanediamide
CAS number
163958-73-4
EC number
110-143-1
Molecular formula
C24H32N4O5
InChIKey
CRCPLBFLOSEABN-BEVDRBHNSA-N
InChI
InChI=1S/C24H32N4O5/c1-14(2)10-19(13-21(29)28-33)23(31)27-20(24(32)26-15(3)22(25)30)12-16-8-9-17-6-4-5-7-18(17)11-16/h4-9,11,14-15,19-20,33H,10,12-13H2,1-3H3,(H2,25,30)(H,26,32)(H,27,31)(H,28,29)/t15-,19+,20-/m0/s1
Canonical SMILES
CC(C)CC(CC(=O)NO)C(=O)NC(Cc1ccc2ccccc2c1)C(=O)NC(C)C(N)=O
Isomeric SMILES
C[C@@H](C(=O)N)NC(=O)[C@H](CC1=CC2=CC=CC=C2C=C1)NC(=O)[C@H](CC(C)C)CC(=O)NO

Synonyms

  • TAPI 0
  • N-{(2r)-2-[2-(Hydroxyamino)-2-Oxoethyl]-4-Methylpentanoyl}-3-Naphthalen-2-Yl-L-Alanyl-L-Alaninamide
  • N-[(2R)-2-[2-(Hydroxyamino)-2-oxoethyl]-4-methyl-1-oxopentyl]-3-(2-naphthalenyl)-L-alanyl-L-alaninamide
  • (2R)-N-[(2S)-1-[[(2S)-1-amino-1-oxopropan-2-yl]amino]-3-naphthalen-2-yl-1-oxopropan-2-yl]-N'-hydroxy-2-(2-methylpropyl)butanediamide
  • NHX
  • TNF-alpha Protease Inhibitor-0

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
456.54 g/molcalc.
Exact mass
456.2373 Dacalc.
LogP (octanol/water)
1.41calc.
Topological polar surface area
150.6 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
11calc.
Heavy atoms
33calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.42calc.
Formal charge
0calc.
Stereocentres
3calc.
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, c1ccc2ccccc2c1

c1ccc2ccccc2c1

2 rings, 10 atoms, the Naphthalene ring system.

17,920 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

Tapi-0 suppliers

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

See the supplier
  • NeoMPS SA
    FranceUnclaimed profile
    Tapi-0Grade, 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

1 supplier in 1 country

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Tapi-0 price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

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 Tapi-0 is traded under.

HS 2928.00Indicative HS code

Organic derivatives of hydrazine or of hydroxylamine

World exports in 2024
$1.38B
−9.0% vs 2023, imports $1.52B
2019 to 2024
Top exporters
  1. Switzerland * partner reported44.0%
  2. China18.4%
  3. Italy9.4%
Top importers
  1. Brazil21.8%
  2. United States12.8%
  3. Italy10.8%

* Partner reported figures, a lower bound.

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

The HS code shown for Tapi-0 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Tapi-0, based on the data on this page

What is Tapi-0?

Tapi-0 is a chemical substance with the molecular formula C24H32N4O5 and a molar mass of 456.54 g/mol. Its CAS registry number is 163958-73-4. The IUPAC name is (2R)-N-[(2S)-1-[[(2S)-1-amino-1-oxopropan-2-yl]amino]-3-naphthalen-2-yl-1-oxopropan-2-yl]-N'-hydroxy-2-(2-methylpropyl)butanediamide.

What is the CAS number of Tapi-0?

The CAS registry number of Tapi-0 is 163958-73-4.

What is the molecular formula and weight of Tapi-0?

The molecular formula of Tapi-0 is C24H32N4O5 and its molar mass is 456.54 g/mol.

Is Tapi-0 hazardous?

Tapi-0 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 Tapi-0?

Tapi-0 is usually classified under HS code 292800 (Organic derivatives of hydrazine or of hydroxylamine). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tapi-0?

CompoundList lists 1 supplier of Tapi-0 in France. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Tapi-0?

Suppliers quote Tapi-0 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 Tapi-0

Get quotes for Tapi-0

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Tapi-0
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Tapi-0 with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/tapi-0-163958-73-4" title="Tapi-0 structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Peptides or HS code 292800

1 supplier
Free quotes, contact stays private
Get quotes