Molekula
دL-سيستين
DL-Cystine is a disulfide-bonded dimer of the amino acid cysteine, used in biochemical research, cell culture media, and pharmaceutical formulations. It serves as a source of cysteine and helps maintain redox balance in biological systems. Available in powder form with a molecular weight of 240.30 g/mol, CAS number 923-32-0, and stored at ambient temperatures. Signal word: Warning. Molekula supplies DL-Cystine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
نظرة عامة
DL-Cystine is a disulfide-bonded dimer of the amino acid cysteine, used in biochemical research, cell culture media, and pharmaceutical formulations. It serves as a source of cysteine and helps maintain redox balance in biological systems. Available in powder form with a molecular weight of 240.30 g/mol, CAS number 923-32-0, and stored at ambient temperatures. Signal word: Warning. Molekula supplies DL-Cystine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
المواصفات
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Specific rotation | -5 to +5 |
| Heavy metals | 0.001% max |
| Identification | Conforms to reference |
| AS | 0.0001% max |
| Fe | 0.001% max |
| Loss on Drying | 0.2%max |
| Assay | min 98.5% |
| Residue on Ignition | 0.1% max |
التخزين والتعامل
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Acid |
التعرف
| Property | Value |
|---|---|
| CAS Number | 923-32-0 |
| Molecular Formula | SS(CH2CH(NH2)COOH)2 |
| Molecular Weight | 240.30 |
| REACH Code | Y110 |
| Tariff Code | 2930901300 |
السلامة ونظام التصنيف والتحذير العالمي
-
Health Hazard
GHS07
بيانات الخطر
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
إقرارات احترازية
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P332+313 IF skin irritation occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
مخصص للأغراض البحثية والصناعية فقط
الوثائق
أوراق بيانات السلامة (SDS)
متوفر بـ IT, FR, ES, DE, EN.
شهادة التحليل (CoA) حسب الدفعة
أدخل رقم الدفعة أو الحزمة للحصول على شهادة المطابقة الخاصة بهذه الدفعة المحددة. يمكننا إنشاء واحدة من بيانات المواصفات إذا لم تكن هناك نسخة PDF محفوظة.
الأسعار ومقاسات التعبئة
مرادفات
لا توجد أسماء بديلة مسجلة لهذا المنتج.
الأسئلة الشائعة
What is DL-Cystine used for?
DL-Cystine is primarily used in pharmaceuticals, dietary supplements, and as a precursor in the synthesis of L-cysteine and other sulfur-containing compounds.
What is the chemical formula and molecular weight of DL-Cystine?
The formula is SS(CH2CH(NH2)COOH)2 with a molecular weight of 240.30 g/mol.
How should DL-Cystine be stored?
Store at ambient temperature, protected from moisture and light.
What grade of DL-Cystine does Molekula supply?
Molekula supplies pharmaceutical-grade DL-Cystine suitable for research and industrial applications.
Can Molekula supply DL-Cystine in bulk?
Yes, Molekula can supply DL-Cystine in bulk quantities; please contact sales for pricing and availability.
What documentation comes with a DL-Cystine order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
جاهز للطلب أو تحتاج إلى حزمة مخصصة؟
أخبرنا بالمنتج، والجودة، والكمية — عادةً ما نرد خلال يوم عمل واحد بأسعار التوريد وموعد التسليم.