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4-Azido-2,3,5,6-tetrafluorobenzoic acid N-succinimidyl ester

Also known as: 4-Azido-2,3,5,6-tetrafluorobenzoic acid, succinimidyl ester, 4-Azido-2,3,5,6-tetrafluorobenzoic acid, N-succinimidyl ester, ATFB, SE, 4-N3Pfp-NHS ester, N-Succinimidyl 4-Azido-2,3,5,6-tetrafluorobenzoate, (2,5-dioxopyrrolidin-1-yl) 4-azido-2,3,5,6-tetrafluorobenzoate, Benzoic acid, 4-azido-2,3,5,6-tetrafluoro-, 2,5-dioxo-1-pyrrolidinyl ester

4-Azido-2,3,5,6-tetrafluorobenzoic acid N-succinimidyl ester (CAS 126695-58-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H4F4N4O4 and a molecular weight of 332.16700 g/mol. Key property: a melting point of 104-105ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
126695-58-7
Jingsj CID
J-1973090-6
Molecular Formula
C11H4F4N4O4
Molecular Weight
332.16700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point104-105ºC
Exact Mass332.01700
PSA113.43000
LogP1.79626
Storage ConditionsAmber Vial, -20°C Freezer, Under Inert Atmosphere
StabilityLight and Moisture Sensitive. Store in freezer

Activity & Biological Data

TargetNoncleavable

Frequently Asked Questions

What is the CAS number of 4-Azido-2,3,5,6-tetrafluorobenzoic acid N-succinimidyl ester?

The CAS number of 4-Azido-2,3,5,6-tetrafluorobenzoic acid N-succinimidyl ester is 126695-58-7.

What are the molecular formula and molecular weight of 4-Azido-2,3,5,6-tetrafluorobenzoic acid N-succinimidyl ester?

4-Azido-2,3,5,6-tetrafluorobenzoic acid N-succinimidyl ester has molecular formula C11H4F4N4O4 and molecular weight 332.16700 g/mol.

What are the upstream and downstream products of 4-Azido-2,3,5,6-tetrafluorobenzoic acid N-succinimidyl ester?

For 4-Azido-2,3,5,6-tetrafluorobenzoic acid N-succinimidyl ester, Upstream Products: N-Hydroxysuccinimide, 4-Azido-2,3,5,6-tetrafluorobenzoic acid, Methyl 2,3,4,5,6-pentafluorobenzoate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Azido-2,3,5,6-tetrafluorobenzoic acid N-succinimidyl ester (CAS 126695-58-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1973090-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.