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密理博,243005,L-Cysteine, Free Base - CAS 52-90-4 - Calbiochem
重要规格表
| Empirical Formula | CAS # |
|---|
| C₃H₇NO₂S
| 52-90-4
|
| Description
|
| Overview | Naturally-occurring non-essential amino acid. |
| Catalogue Number | 243005 |
| Brand Family |
Calbiochem®
|
| Synonyms | Cys |
| Product Information
|
| CAS number | 52-90-4 |
| Form | White solid |
| Hill Formula | C₃H₇NO₂S |
| Chemical formula | C₃H₇NO₂S |
| Optical rotation | Optical rotation: +8° to +9° (c = 5, 1 N HCl, 20°C). |
| Quality Level | MQ100
|
| Biological Information
|
| Purity | ≥98% by titration (perchloric acid) |
| Physicochemical Information
|
| Contaminants | Iron: ≤10 ppm
Endotoxin: ≤24 EU/g
Total microorganisms: ≤100 CFU/g |
| Heavy metals | ≤0.001% (as Pb) |
| Safety Information according to GHS
|
| RTECS | HA1600000 |
| Safety Information
|
| R Phrase | R: 22;
|
| Storage and Shipping Information
|
| Ship Code |
Ambient Temperature Only
|
| Toxicity |
Harmful
|
| Storage |
+15°C to +30°C
|
| Do not freeze |
Ok to freeze
|
| Special Instructions | Aqueous stock solutions are stable for up to 24 h at -20°C. Acidic stock solutions, when aliquoted and stored at -20°C, are stable for up to 1 month. |
| Packaging Information
|
| Packaged under inert gas |
Packaged under inert gas
|
