China (Mainland)
Thymidine CAS NO.50-89-5
- Min.Order: 1 Gram
- Payment Terms: L/C,D/A,D/P,T/T,
- Product Details
Keywords
- Thymidine
- 50-89-5
Quick Details
Superiority
Thymidine
CAS No.:50-89-5
Purity: 99% Min
Appearance: White powder
Details
| Identification | ||
| Name | Thymidine | |
| Synonyms | 1-(2-Deoxy-beta-D-ribofuranosyl)-5-methyluracil; 1-(2-Deoxy-beta-D-ribofuranosyl)thymine; Thymine deoxyriboside; 2'-Deoxythymidine; 5-Methyldeoxyuridine | |
| Molecular Structure | ||
| Molecular Formula | C10H14N2O5 | |
| Molecular Weight | 242.23 | |
| CAS Registry Number | 50-89-5 | |
| EINECS | 200-070-4 | |
|
Test ltems |
Quality standary |
|
Appearance |
White or almost white crystalline powder |
|
Loss On Drying |
≤0.5% |
|
Residue On Ignition |
≤0.5% |
|
Specific Optical Rotation |
+17.5°+19.1°(20 3% water solution) |
|
Melting Point |
185-190 |
|
Heavy Metals |
≤10ppm |
|
Assay(HPLC) |
≥99.0% |
|
Assay(U.V) |
≥97.5-102% |
|
Items |
Standard |
|
Appearance |
White crystalline powder |
|
Identification |
The intensity of principal band on TLC obtained from Sample preparation corresponds to that obtained from the Standard Operation |
|
Loss on drying |
≤0.5% |
|
Moisture Content |
≤0.20% |
|
Melting Range |
185.0-190.0oC |
|
Residue on Ignition |
≤0.10% |
|
Clarity and Color of Solution |
Clear and colorless solution |
|
Specific Optical Rotation |
+17.5°-+19.1° |
|
Chromatographic Purity |
Purity: NLT 99.0% Individual Impurity: NMT 0.50% |
|
Assay by HPLC |
≥98.5% |