Description

3-Cyclohexylaminopropanesulfonic Acid is a high-purity biochemical buffer belonging to the sulfonic acid family of "Good's" buffers. This compound is valued for its excellent buffering capacity in the physiological pH range, high water solubility, and minimal interference with biological systems. It is an essential reagent for researchers and manufacturers in life sciences, pharmaceutical development, and diagnostic applications requiring precise pH control.

Application

• Biochemical & Molecular Biology Research: Used as a zwitterionic buffer component in cell culture media, enzyme assays, and protein purification protocols.
• Pharmaceutical Formulation: Serves as a buffering agent in the development and manufacturing of injectable drugs, vaccines, and diagnostic reagents.
• Diagnostic Kits: Provides stable pH conditions in clinical diagnostic assays, including ELISA and other immunoassay platforms.
• Electrophoresis: Employed in buffer systems for capillary electrophoresis and gel electrophoresis techniques.
• Biocatalyst & Fermentation: Maintains optimal pH in enzymatic reactions and microbial fermentation processes.
• Tissue & Cell Preservation: A component of solutions designed for the storage and transport of biological samples.

Basic Information

Item	Details
Product Name	3-Cyclohexylaminopropanesulfonic Acid
CAS No.	1135-40-6
Molecular Formula	C9H19NO3S
Molecular Weight	221.32 g/mol
Synonyms	CAPS; 3-(Cyclohexylamino)-1-propanesulfonic acid; N-Cyclohexyl-3-aminopropanesulfonic acid; 2-Cyclohexylaminoethanesulfonic acid (common misnomer); CAPS Buffer; Good's Buffer CAPS; Cyclohexylaminopropanesulfonate
EINECS	214-502-6

Quality Control

Our 3-Cyclohexylaminopropanesulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for sensitive biochemical applications. A detailed Certificate of Analysis (COA) documenting purity, pH, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 99.0%
pH (1% Solution)	10.0 - 11.0
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
UV Absorbance (260 nm)	≤ 0.05

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.