CompoundList
Sign in
Protected and unnatural amino acids

Zelquistinel

Also known as GATE251, GATE-251, tert-butyl (4S)-2-[(2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl]-3-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate

CAS 2151842-64-5Formula C15H25N3O5Molar mass 327.38 g/mol
1 supplier listed
Get quotes See the supplier
Zelquistinel chemical structure, C15H25N3O5, CAS 2151842-64-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2151842-64-5
Formula
C15H25N3O5
Molar mass
327.38 g/mol
HS code
293379
Category
Protected and unnatural amino acids

What is Zelquistinel?

Plain description, key identifiers and synonyms

Zelquistinel is a chemical substance with the molecular formula C15H25N3O5 and a molar mass of 327.38 g/mol. Its CAS registry number is 2151842-64-5. The IUPAC name is tert-butyl (4S)-2-[(2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl]-3-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tert-butyl (4S)-2-[(2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl]-3-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate
CAS number
2151842-64-5
Molecular formula
C15H25N3O5
UNII
387WYR6N95
InChIKey
ABAPCYNTEPGBNJ-FTGAXOIBSA-N
InChI
InChI=1S/C15H25N3O5/c1-9(19)10(11(16)20)17-8-15(12(17)21)6-5-7-18(15)13(22)23-14(2,3)4/h9-10,19H,5-8H2,1-4H3,(H2,16,20)/t9-,10+,15+/m1/s1
Canonical SMILES
CC(O)C(C(N)=O)N1CC2(CCCN2C(=O)OC(C)(C)C)C1=O
Isomeric SMILES
C[C@H]([C@@H](C(=O)N)N1C[C@]2(C1=O)CCCN2C(=O)OC(C)(C)C)O

Synonyms

  • GATE251
  • GATE-251
  • tert-butyl (4S)-2-[(2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl]-3-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate
  • tert-Butyl (S)-2-((2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl)-1-oxo-2,5-diazaspiro[3.4]octane-5-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
327.38 g/molcalc.
Exact mass
327.1794 Dacalc.
LogP (octanol/water)
-0.17calc.
Topological polar surface area
113.2 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
3calc.
Heavy atoms
23calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.8calc.
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, O=C1NCC12CCCN2

O=C1NCC12CCCN2

2 rings, 9 atoms, the 2,5-Diazaspiro[3.4]octan-1-one ring system.

21 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.

Zelquistinel suppliers

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

See the supplier

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

Zelquistinel 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

Roles

  • antidepressant
  • central nervous system drug
  • pharmaceutical
  • psychotropic drug

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 Zelquistinel is traded under.

HS 2933.79Indicative HS code

Lactams, other lactams

World exports in 2024
$16.2B
−64.4% vs 2023, imports $15.4B
2019 to 2024
Top exporters
  1. Ireland37.0%
  2. France * partner reported15.6%
  3. Spain11.3%
Top importers
  1. Germany27.8%
  2. Ireland18.9%
  3. Panama * partner reported12.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Zelquistinel?

Zelquistinel is a chemical substance with the molecular formula C15H25N3O5 and a molar mass of 327.38 g/mol. Its CAS registry number is 2151842-64-5. The IUPAC name is tert-butyl (4S)-2-[(2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl]-3-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate.

What is the CAS number of Zelquistinel?

The CAS registry number of Zelquistinel is 2151842-64-5.

What is the molecular formula and weight of Zelquistinel?

The molecular formula of Zelquistinel is C15H25N3O5 and its molar mass is 327.38 g/mol.

What is Zelquistinel used for?

Known uses and roles of Zelquistinel include building blocks in research and laboratory, screening compounds in research and laboratory, antidepressant, central nervous system drug, pharmaceutical and 1 more.

Is Zelquistinel hazardous?

No GHS hazard classification for Zelquistinel 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 Zelquistinel?

Zelquistinel is usually classified under HS code 293379 (Lactams, other lactams). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Zelquistinel?

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

What is the price of Zelquistinel?

Suppliers quote Zelquistinel 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 Zelquistinel

Get quotes for Zelquistinel

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Zelquistinel
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 Zelquistinel with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/zelquistinel-2151842-64-5" title="Zelquistinel 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 Protected and unnatural amino acids or HS code 293379

1 supplier
Free quotes, contact stays private
Get quotes