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| CAS No.: | 50-90-8 |
|---|---|
| Name: | 5-CHLORO-2'-DEOXYURIDINE |
| Article Data: | 2 |
| Molecular Structure: | |
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|
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| Formula: | C9H11 Cl N2 O5 |
| Molecular Weight: | 262.65 |
| Synonyms: | 2'-Deoxy-5-chlorouridine;5-Chloro-2'-deoxyuridine; 5-Chlorodeoxyuridine |
| Density: | 1.67 g/cm3 |
| Melting Point: | 176-179°C |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Hazard Symbols: |
 Xn
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| Risk Codes: | 20/21/22-40 |
| Safety: | Moderately toxic by intraperitoneal route. Human mutation data reported. When heated to decomposition it emits very toxic fumes of Cl− and NOx. |
| PSA: | 104.55000 |
| LogP: | -1.16930 |
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Chemistry
IUPAC Name:5-Chloro-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione
Synonyms: 2'-Deoxy-5-chlorouridine ; 5-Chlorodesoxyuridine ; 5-Chloro-2'-deoxyuridine ; 5-Chloro-2'-deoxy-uridin ; 5-Chlorodeoxyuridin ; 5-Chloro-2'-deoxy-d-uridine ; 5-Chlorodeoxyuridine ; Chlorodeoxyuridine
Product Categories: API intermediates;Bases & Related Reagents;Carbohydrates & Derivatives;Heterocycles;Nucleotides;Biochemicals and Reagents;Nucleoside Analogs;Nucleosides, Nucleotides, Oligonucleotides
CAS NO: 50-90-8
Molecular Formula: C9H11ClN2O5
Molecular Weight: 262.65
Molecular Structure: 
Mol File: 50-90-8.mol
Index of Refraction: 1.644
Surface Tension: 79.7 dyne/cm
Melting point: 176-179°C
Storage temp: -20°C
Density: 1.67 g/cm3
Appearance: 5-Chloro-2'-deoxyuridine (CAS NO. 50-90-8) is white needles.
Uses
5-Chloro-2'-deoxyuridine (CAS NO. 50-90-8) is a halogenated uridine derivative used in pharmaceutical compositions.
Toxicity Data With Reference
| 1. | msc-hmn:lym 100 µmol/L | LIFSAK Life Sciences. 19 (1976),563. | ||
| 2. | cyt-ham:ovr 10 µmol/L | BLFSBY Basic Life Sciences. 29A (1984),69. | ||
| 3. | sce-ham:ovr 10 µmol/L | MUREAV Mutation Research. 91 (1981),395. | ||
| 4. | msc-ham:ovr 500 nmol/L | ENMUDM Environmental Mutagenesis. 4 (1982),301. | ||
| 5. | ipr-rat LD50:2000 mg/kg | ADTEAS Advances in Teratology. 3 (1968),181. |
Safety Profile
Hazard Codes 
Xn
Risk Statements 20/21/22-40
R20/21/22: 5-Chloro-2'-deoxyuridine (CAS NO. 50-90-8) ia harmful by inhalation, in contact with skin and if swallowed.
R40:Limited evidence of a carcinogenic effect.
Safety Statements 36/37/39-45
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany 3
RTECS YU7400000
Specification
Category: Toxic Substances
Toxicity classification: Poisoning
Acute toxicity: abdominal - rat LD50: 2000 mg / kg
Flammable hazardous characteristics: flammable; release of toxic nitrogen oxides, chlorine fumes at scene of fire
Storage features: Treasury temperature, ventilation, dry
Fire-extinguishing agent: water, carbon dioxide, foam, sand.