Knowde Enhanced TDS
Identification & Functionality
- Chemical Name
- Ingredient Name
- Ingredient Origin
- Protein Type
- Cosmetic Ingredients Functions
- Pharma & Nutraceuticals Functions
- Ingredients
- L-cysteine HCL Monohydrate
- Molecular formula
- C₃H₇NO₂S.ClH.H₂O
- EC No.
- 615-117-8
- CAS No.
- 7048-04-6
- Product Families
- Chemical Structure
Features & Benefits
- Benefit Claims
- Benefit Claims (Health)
Applications & Uses
- Applications
- Application Format
- Hair Care Applications
- Applications
- Building Blocks for Synthesis (Pharma)
- Hair-Perm Formulations
- Personal Care
- Pharma
- Application Details
- Excipient for API synthesis, e.g. expectorants
- Process aid in insulin fermentation
- Essential ingredient in cell culture media
Properties
- Slightly Soluble in
- Alcohol
- Typical Properties
- Composition
- Specifications
- Properties
- Origin: Produced from L-Cystine obtained from vegetarian fermentation
- Almost white powder
Value | Units | Test Method / Conditions | |
Molecular Weight | 175.64 | — | — |
Solubility in Water (at 20°C) | 650 | g/l | — |
Value | Units | Test Method / Conditions | |
Active Content | min. (98.5 -101.0) | % | — |
Value | Units | Test Method / Conditions | |
Ammonium | max. 200 | ppm | PH. EUR. (2.4.1) |
Appearance of Solution | Colorless clear liquid | — | PH. EUR. (2.2.1) |
Assay | 98.5 - 101.0 | % | PH. EUR. |
Iron Content | max. 10 | ppm | Specific method |
L-Cystine | max. 0.5 | % | Specific method |
L-Tyrosine | max. 0.2 | % | Specific method |
Loss on Drying | max. 8.0 - 12.0 | % | Specific method |
Other Impurity | max. 0.2 | % | Specific Method |
Reaction of Chlorides (E) | Positive | — | PH. EUR. (2.3.1) |
Residue on Ignition | max. 0.1 | % | PH. EUR. (2.4.14) |
Specific Rotation (Component A, [α]20/D) | 5.7 - 6.8 | Degree | PH. EUR. (2.2.7) |
Sulfate Content | max. 0.030 | % | PH. EUR. (2.4.13) |
Total Impurities | max. 1.0 | % | Specific method |
Regulatory & Compliance
- Certifications & Compliance
- Grade
- Compliance
- Complies with current Eur.Ph. and USP specifications
- BSE/TSE-free
Packaging & Availability
- Country Availability
- Regional Availability
- Packaging Information
Units of 25 kg.
Storage & Handling
- Shelf Life
- 24 Months
- Storage Information
A temperature of 25°C is recommended for optimal product quality, but 40°C up to 180 days does not affect the quality. FERMOPURE® L-CYSTEINE PHARMA grade has a shelf life of at least 24 months when stored in unbroken original packaging in dry storage areas.