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5-Bromo-2-chloropyrimidine

5-Bromo-2-chloropyrimidine ??? ???
?? ??:
32779-36-5
???:
5-Bromo-2-chloropyrimidine
???(??):
2-CHLORO-5-BROMOPYRIMIDINE;2C5BP;5-Bromo-2-chL;Macitentan Impurity 27;5-BROMO-2-CHLOROPYRIMIDNE;Macitentan Intermediate 5;-bromo-2-chloropyrimidine;5-bromo-2-chlorpyrimidine;5-BROMO-2-CHLOROPYRIMIDINE;2-chloro -5-broMo - uracil
CBNumber:
CB4748175
???:
C4H2BrClN2
??? ??:
193.43
MOL ??:
32779-36-5.mol
MSDS ??:
SDS

5-Bromo-2-chloropyrimidine ??

???
73-79 °C (lit.)
?? ?
95°C 15mm
??
1.859±0.06 g/cm3(Predicted)
???
95°C/15mm
?? ??
Keep in dark place,Sealed in dry,Room Temperature
???
???? ???
?? ?? (pKa)
-2.84±0.22(Predicted)
??? ??
??? ??
??
???? ?????
???
???
BRN
507955
???
???
InChI
InChI=1S/C4H2BrClN2/c5-3-1-7-4(6)8-2-3/h1-2H
InChIKey
XPGIBDJXEVAVTO-UHFFFAOYSA-N
SMILES
C1(Cl)=NC=C(Br)C=N1
CAS ??????
32779-36-5(CAS DataBase Reference)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-36/39-37/39-36
????(UN No.) UN 3335
WGK ?? 3
?? ?? IRRITANT
HS ?? 29335990
???? ??? 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P271 ?? ?? ??? ? ?? ???? ?????.
P280 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
1
2 0

5-Bromo-2-chloropyrimidine C??? ??, ??, ??

??

5-Bromo-2-chloropyrimidine is a halogenated pyrimidine analogue containing chloro and bromo substituents at positions 2 and 5 of the benzene ring structure. The compound is used as a pharmaceutical intermediate in the preparation of macitentan, an endothelin receptor antagonist drug for the treatment of pulmonary hypertension.

??? ??

Off-white to beige crystalline powder

??

5-Bromo-2-chloropyrimidine is a intermediate in the synthesis of pharmaceutical goods such as inhibitors.

5-Bromo-2-chloropyrimidine ?? ?? ? ???

???

?? ??


5-Bromo-2-chloropyrimidine ?? ??

???( 765)?? ??
??? ?? ??? ?? ?? ? ??
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5-Bromo-2-chloropyrimidine ?? ??:

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