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Carboxyamidotriazole

Also known as: 5-amino-1-(3,5-dichloro-4-(4-chlorobenzoyl)benzyl)-1H-1,2,3-triazole-4-carboxamide, L-651582, NSC 609974, CAI, Carboxyamido-triazole, 5-amino-1-[3,5-dichloro-4-(4-chlorobenzoyl)benzyl]-1H-1,2,3-triazole-4-carboxamide, 5-amino-1-[4-(4-chlorobenzoyl)-3,5-dichlorobenzyl]-1H-1,2,3-triazole-4-carboxamide, 1H-1,2,3-triazole-4-carboxamide, 5-amino-1-[[3,5-dichloro-4-(4-chlorobenzoyl)phenyl]methyl]-

Carboxyamidotriazole (CAS 99519-84-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H12Cl3N5O2 and a molecular weight of 424.67 g/mol. Key properties include a boiling point of 685.5ºC at 760 mmHg, a density of 1.65g/cm3 and a flash point of 368.3ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
99519-84-3
Jingsj CID
J-34084-1
Molecular Formula
C17H12Cl3N5O2
Molecular Weight
424.67 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point685.5ºC at 760 mmHg
Density1.65g/cm3
Flash Point368.3ºC
Exact Mass423.00600
PSA116.89000
LogP4.48020
Refractive Index1.73

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed

Activity & Biological Data

TargetCalcium channel[1]
Additional Information[1]. Chen C, et al. Carboxyamidotriazole Synergizes with Sorafenib to Combat Non-Small Cell Lung Cancer through Inhibition of NANOG and Aggravation of Apoptosis. J Pharmacol Exp Ther. 2017 Aug;362(2):219-229. [2]. Hussain MM, et al. J Clin Oncol. 2003 Dec 1;21(23):4356-63.

Frequently Asked Questions

What is the CAS number of Carboxyamidotriazole?

The CAS number of Carboxyamidotriazole is 99519-84-3.

What are the molecular formula and molecular weight of Carboxyamidotriazole?

Carboxyamidotriazole has molecular formula C17H12Cl3N5O2 and molecular weight 424.67 g/mol.

Is Carboxyamidotriazole hazardous?

Carboxyamidotriazole has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.

What are the upstream and downstream products of Carboxyamidotriazole?

For Carboxyamidotriazole, Upstream Products: 2-Cyanoacetamide, 3,5-Dichlorotoluene, 4-Chlorobenzoyl chloride.

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

Last updated:

How to cite: Jingsj. "Carboxyamidotriazole (CAS 99519-84-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34084-1 (accessed 2026-11-09).

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