Molekula
L-Cystein
L-Cysteine
L-Cysteine is a sulfur-containing amino acid used in biochemical research, pharmaceuticals, and food supplements for its role in protein synthesis and antioxidant activity. It is available as a white to off-white crystalline powder. CAS: 52-90-4, Molecular Formula: HSCH2CH(NH2)CO2H, Molecular Weight: 121.16 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies L-Cysteine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Übersicht
L-Cysteine is a sulfur-containing amino acid used in biochemical research, pharmaceuticals, and food supplements for its role in protein synthesis and antioxidant activity. It is available as a white to off-white crystalline powder. CAS: 52-90-4, Molecular Formula: HSCH2CH(NH2)CO2H, Molecular Weight: 121.16 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies L-Cysteine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Preise und Verpackungsgrößen
Spezifikationen
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Specific rotation | +8.3° to +9.5° |
| pH | 4.5 - 5.5 |
| Loss on Drying | ≤ 0.5% |
| Sulfate (SO4) | ≤ 0.03% |
| Chloride (Cl) | ≤0.2% |
| Assay | 98.0 - 101.0% |
| Residue on Ignition | ≤ 0.1% |
| Iron (Fe) | ≤ 10ppm |
| Heavy metals (as Pb) | ≤ 10ppm |
| Arsenic (As2O3) | ≤ 1ppm |
| Ammonium (NH4) | ≤ 0.02% |
| State of Solution | ≥ 95.0% |
| Identification (RAMAN) | Conforms to Reference |
Lagerung und Handhabung
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identifizierung
| Property | Value |
|---|---|
| SKU | 15386031 |
| CAS Number | 52-90-4 |
| Molecular Formula | HSCH2CH(NH2)CO2H |
| Molecular Weight | 121.16 |
| SMILES | C([C@@H](C(=O)O)N)S |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29309092 |
| Tariff Code | 2930901300 |
Sicherheit & GHS
-
Health Hazard
GHS07
Gefahrenhinweise
- H302 Harmful if swallowed
Vorsichtsmaßnahmen
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Nur für Forschungs- und industrielle Zwecke
Dokumente
Sicherheitsdatenblätter (SDS)
Verfügbar in PT, IT, FR, ES, DE, EN.
-
PT - (15386031) L-CYSTEINE [52-90-4].pdf
SDS · PT · 173 KB
-
IT - (15386031) L-CYSTEINE [52-90-4].pdf
SDS · IT · 171 KB
-
FR - (15386031) L-CYSTEINE [52-90-4].pdf
SDS · FR · 172 KB
-
ES - (15386031) L-CYSTEINE [52-90-4].pdf
SDS · ES · 173 KB
-
DE - (15386031) L-CYSTEINE [52-90-4].pdf
SDS · DE · 172 KB
-
EN - (15386031) L-CYSTEINE [52-90-4].pdf
SDS · EN · 170 KB
Zertifikat der Analyse (CoA) nach Charge
Geben Sie eine Chargen- oder Seriennummer ein, um die CoA für diese spezifische Charge abzurufen. Wir können eine erstellen, wenn keine PDF-Datei vorliegt, basierend auf den Spezifikationsdaten.
Synonyme
Es wurden keine alternativen Namen für dieses Produkt aufgezeichnet.
Häufig gestellte Fragen
What is L-Cysteine used for?
L-Cysteine is used in pharmaceuticals, cosmetics, and food additives as a reducing agent and antioxidant, and in the synthesis of other chemicals.
What is the chemical formula and molecular weight of L-Cysteine?
The formula is HSCH2CH(NH2)CO2H and the molecular weight is 121.16 g/mol.
How should L-Cysteine be stored?
Store at 2 to 8 °C in a cool, dry place, protected from light and moisture.
What grade of L-Cysteine does Molekula supply?
Molekula supplies L-Cysteine in pharmaceutical and research-grade purity.
Can Molekula supply L-Cysteine in bulk?
Yes, Molekula can supply L-Cysteine in bulk quantities—please contact sales for details.
What documentation comes with an order of L-Cysteine?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
Bereit zum Bestellen oder benötigen Sie ein Sonderpack?
Teilen Sie uns das Produkt, die Reinheitsstufe und die Menge mit — Molekula antwortet in der Regel innerhalb eines Werktages mit Preis und Lieferzeit.