3-(Cyclohexylamino)-1-propanesulfonic acid

3-(环己胺)-1-丙磺酸

Also known as: N-Cyclohexyl-3-aminopropanesulfonic acid, 3-(Cyclohexylamino)propane-1-sulfonic acid, 3-Cyclohexylaminopropanesulfonic acid, 3-cyclohexylaminopropane-1-sulphonic acid, CAPS (buffer), CAPS, free acid, N-Cyclohexyl-3-aminopropane sulfonic acid

3-(Cyclohexylamino)-1-propanesulfonic acid (CAS 1135-40-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H19NO3S and a molecular weight of 221.32 g/mol. It is also known as N-Cyclohexyl-3-aminopropanesulfonic acid, 3-(Cyclohexylamino)propane-1-sulfonic acid and 3-Cyclohexylaminopropanesulfonic acid. Key properties include a melting point of >300 °C(lit.) and a density of 1.2±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1135-40-6
Jingsj CID: J-1103388-4
Molecular Formula: C₉H₁₉NO₃S
Chinese Name: 3-(环己胺)-1-丙磺酸
Molecular Weight: 221.32 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	>300 °C(lit.)
Density	1.2±0.1 g/cm3
Exact Mass	259.085419
PSA	74.78000
LogP	0.05
Refractive Index	1.515
Additional Property	9 g/100 mL (20 ºC)

Activity & Biological Data

Additional Information	[1]. Bedard P R, et al. Ion Interaction: The Energetics and Mechanism of The Competitive Behavior Between Two Similarly Charged Molecules. 1. The Effect of Ionic Strength, Acetonitrile and Surfactant Concentration[J]. Journal of Liquid Chromatography, 1985, 8(13):2417-2443. [2]. Oberley TD, et al. The effect of the dimeric and multimeric forms of fibronectin on the adhesion and growth of primary glomerular cells. Exp Cell Res. 1983 May;145(2):265-76.

Additional Information

[1]. Bedard P R, et al. Ion Interaction: The Energetics and Mechanism of The Competitive Behavior Between Two Similarly Charged Molecules. 1. The Effect of Ionic Strength, Acetonitrile and Surfactant Concentration[J]. Journal of Liquid Chromatography, 1985, 8(13):2417-2443. [2]. Oberley TD, et al. The effect of the dimeric and multimeric forms of fibronectin on the adhesion and growth of primary glomerular cells. Exp Cell Res. 1983 May;145(2):265-76.

Customs & Trade Information

HS Code	2921300090
Summary	2921300090 other cyclanic, cyclenic or cyclotherpenic mono- or polyamines, and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-(Cyclohexylamino)-1-propanesulfonic acid?

The CAS number of 3-(Cyclohexylamino)-1-propanesulfonic acid is 1135-40-6.

What are the molecular formula and molecular weight of 3-(Cyclohexylamino)-1-propanesulfonic acid?

3-(Cyclohexylamino)-1-propanesulfonic acid has molecular formula C9H19NO3S and molecular weight 221.32 g/mol.

What are the upstream and downstream products of 3-(Cyclohexylamino)-1-propanesulfonic acid?

For 3-(Cyclohexylamino)-1-propanesulfonic acid, Downstream Products: Fenvalerate, Cypermethrin.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-(Cyclohexylamino)-1-propanesulfonic acid (CAS 1135-40-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1103388-4 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.