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CAS RN: 2257-69-4 | Product Number: C4190
4-Chlorophthalazin-1(2H)-one
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Purity: >95.0%(GC)(T)
Synonyms:
- 4-Chloro-1,2-dihydrophthalazin-1-one
- 4-Chloro-1(2H)-phthalazinone
- 4-Chloro-1-phthalazinol
Product Documents:
| Size | Unit Price | Same Day | 2-3 Business Days | Other Lead Time |
Shipping Information
|
|---|---|---|---|---|---|
| 1G |
$36.00
|
0 | 27 | Contact Us | |
| 5G |
$109.00
|
0 | 26 | Contact Us |
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| Product Number | C4190 |
Purity / Analysis Method 
|
>95.0%(GC)(T) |
| Molecular Formula / Molecular Weight | C__8H__5ClN__2O = 180.59 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Air Sensitive |
| CAS RN | 2257-69-4 |
| Reaxys Registry Number | 136147 |
| MDL Number | MFCD00102192 |
Specifications
| Appearance | White to Light yellow powder to crystal |
| Purity(GC) | min. 95.0 % |
| Purity(Neutralization titration) | min. 95.0 % |
| Melting point | 278.0 to 282.0 °C |
| NMR | confirm to structure |
Properties (reference)
| Melting Point | 279 °C |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| Precautionary Statements | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. |
Related Laws:
Transport Information:
| H.S.code* | 2933.99-000 |
Application
A Synthetic Intermediate for Phthalazinone-Based Compounds
This product has been used as a synthetic intermediate for phthalazinone-based compounds, such as olaparib (a poly(ADP-ribose) polymerase [PARP] inhibitor) in cancer research.
References
- Practical and Scalable Manufacturing Process for the Key Intermediate of Poly(ADP-Ribose) Polymerase Inhibitor Olaparib
- The Discovery of Phthalazinone-Based Human H1 and H3 Single-Ligand Antagonists Suitable for Intranasal Administration for the Treatment of Allergic Rhinitis
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