L-Cysteine Hydrochloride (USP Grade)

L-Cysteine Hydrochloride (USP Grade)

Sulphur-Containing Amino Acid for Nutritional, Formulation & Research Applications

Product Identification

Chemical & Physical Information

Product Name: L-Cysteine Hydrochloride
Catalogue Number: ASF-3027
Chemical Name: L-Cysteine Hydrochloride
CAS Number: 7048-04-6
Chemical Formula: C₃H₇NO₂S · HCl
Molecular Weight: 175.63 g/mol
Grade: USP
Form: Crystalline powder

Product Description

L-Cysteine Hydrochloride is a sulphur-containing amino acid derivative widely used in nutritional formulations, biochemical research, and laboratory applications. It is commonly utilised as a source of cysteine in defined systems due to its stability and solubility compared to free L-cysteine.

Ausamics L-Cysteine Hydrochloride is supplied as a USP grade crystalline powder, offering high purity, consistent quality, and predictable handling characteristics. Its defined composition makes it suitable for applications requiring controlled amino acid content and reproducible performance.

Key Characteristics

Product Attributes

USP grade purity with defined specifications
High chemical purity and batch consistency
Free-flowing crystalline powder
Good aqueous solubility
Suitable for food, supplement, formulation, and research use
No added fillers, flavours, or excipients

Functional Role

Biochemical Context

L-Cysteine is involved in normal amino acid metabolism and sulphur balance. In formulation and research contexts, L-cysteine hydrochloride is commonly included as part of balanced amino acid profiles and defined nutrient systems.

Physiological effects depend on overall formulation design and total dietary intake.

Typical Applications

Sports & Active Nutrition (Ingredient Use)

Ingredient in amino acid blends and compound formulations
Component of powders, capsules, and tablets

Food & Supplement Manufacturing

Raw material for nutritional supplements and functional foods
Medical nutrition and specialised dietary formulations

Laboratory & Research Use

Cell culture media supplementation
Biochemical and metabolic research
Formulation development and validation studies

Typical Specifications

Quality Parameters

Assay (L-Cysteine Hydrochloride): Conforms to USP specification
Appearance: White to off-white crystalline powder
Solubility: Soluble in water

(Exact analytical values are provided in the batch-specific Certificate of Analysis.)

Storage & Stability

Storage Conditions

Store in a cool, dry place
Keep container tightly closed
Protect from moisture and direct sunlight
Stable under recommended storage conditions

Ingredients

Composition

100 % Pure L-Cysteine Hydrochloride (USP Grade)

Intended Use

Regulatory Statement

Supplied as a USP grade amino acid raw material suitable for food, supplement, formulation, and research use where permitted.

Not intended to diagnose, treat, cure, or prevent any disease.
Not a therapeutic good.

Quality & Supply Assurance

Manufacturing & Documentation

Manufactured under controlled conditions
Supplied with Certificate of Analysis (COA)
Consistent batch-to-batch quality
Technical support available from Ausamics Life Science

Customs & Trade Information

Classification

HS / AHECC Code: 2922.49.00
Amino acids and their derivatives