CAS RN: 29671-92-9 | Product Number: C3199
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|Appearance||White to Almost white powder to crystal|
|Purity(with Total Nitrogen)||min. 98.0 %|
|Purity(Argentometric Titration)||min. 98.0 %|
|Melting Point||180 °C|
|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.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
A mixture of 1 (0.3 g, 1.13 mmol), chloroformamidine hydrochloride (0.33 g, 2.83 mmol), and dimethylsulfone (0.53 g, 5.65 mmol) is heated at 130 °C for 30 min. After the mixture is cooled to room temperature, water (10 mL) is added and ammonium hydroxide is used to neutralize the suspension. The solid is filtered off, washed with water, and dried. The crude residue is purified by flash chromatography on silica gel (CH2Cl2 /MeOH 10:1) to yield 2 as a white solid (0.28 g, 95%).
- 1)Discovery of 7-N-Piperazinylthiazolo[5,4-d]pyrimidine Analogues as a Novel Class of Immunosuppressive Agents with in Vivo Biological Activity
- 2)Targeting the α-folate receptor with cyclopenta[g]quinazoline-based inhibitors of thymidylate synthase
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