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ChemicalBook >> CAS DataBase List >> Efavirenz

Efavirenz

Efavirenz price.
  • $12 - $7680
  • Product name: Efavirenz
  • CAS: 154598-52-4
  • MF: C14H9ClF3NO2
  • MW: 315.67
  • EINECS:620-492-6
  • MDL Number:MFCD05662344
  • Synonyms:(S)-6-Chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl) 2H-3,1-benzoxazin-2-one;(4S)-6-chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-1H-3,1-benzoxazin-2-one;Efavirenz (200 mg);(4S)-6-chloro-4-(2-cyclopropylethynyl)-4-(trifluoroMethyl)-2,4-dihydro-1H-3,1-benzoxazin-2-one;2H-3,1-Benzoxazin-2-one, 6-chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoroMethyl)-, (4S)-;efavuirenz;Efavirenz solution;(S)-6-CHLORO-4-(CYCLOPROPYLETHYNYL)-4-(TRIFLUOROMETHYL)-1H-BENZO[D][1,3]OXAZIN-2(4H)-ONE
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Package
  • 10mM(in 1mL DMSO)
  • 20mg
  • 200mg
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  • 2g
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  • 10mM(1mLinDMSO)
  • 10mM(in1mLDMSO)
  • 5mg
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  • 0.1g
  • 250mg
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  • Manufactureraablocks
  • Product numberAA0037N3
  • Product description(4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one 98-102%(Solventfreebasis)
  • Packaging5g
  • Price$55
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0037N3
  • Product description(4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one 97%
  • Packaging1g
  • Price$35
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0037N3
  • Product description(4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one ≥98%(HPLC)
  • Packaging10mg
  • Price$12
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0037N3
  • Product description(4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one 98-102%(Solventfreebasis)
  • Packaging25g
  • Price$160
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA0037N3
  • Product description(4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one 97%
  • Packaging100g
  • Price$396
  • Updated2026-05-28
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  • ManufacturerACHEMBLOCK
  • Product numberX191305
  • Product description(S)-6-Chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-2,4-dihydro-1H-3,1-benzoxazin-2-one 95.00%
  • Packaging25G
  • Price$660
  • Updated2026-05-25
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  • ManufacturerACHEMBLOCK
  • Product numberX191305
  • Product description(S)-6-Chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-2,4-dihydro-1H-3,1-benzoxazin-2-one 95.00%
  • Packaging25G
  • Price$660
  • Updated2026-05-27
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  • ManufacturerACHEMBLOCK
  • Product numberX191305
  • Product description(S)-6-Chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-2,4-dihydro-1H-3,1-benzoxazin-2-one 95.00%
  • Packaging5G
  • Price$170
  • Updated2026-05-25
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  • ManufacturerACHEMBLOCK
  • Product numberX191305
  • Product description(S)-6-Chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-2,4-dihydro-1H-3,1-benzoxazin-2-one 95.00%
  • Packaging5G
  • Price$170
  • Updated2026-05-27
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  • ManufacturerAdipogen Life Sciences
  • Product numberAG-CR1-3751-M250
  • Product descriptionEfavirenz ≥98%(HPLC)
  • Packaging250mg
  • Price$250
  • Updated2026-05-06
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  • ManufacturerAdipogen Life Sciences
  • Product numberAG-CR1-3751-M010
  • Product descriptionEfavirenz ≥98%(HPLC)
  • Packaging10mg
  • Price$40
  • Updated2026-05-06
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  • ManufacturerAdipogen Life Sciences
  • Product numberAG-CR1-3751-M050
  • Product descriptionEfavirenz ≥98%(HPLC)
  • Packaging50mg
  • Price$90
  • Updated2026-05-06
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  • ManufacturerAdipogen Life Sciences
  • Product numberAG-CR1-3751-M050
  • Product descriptionEfavirenz ≥98%(HPLC)
  • Packaging50mg
  • Price$110
  • Updated2021-12-16
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  • ManufacturerAHH
  • Product numberAPI-1192
  • Product descriptionEfavirenz 98%
  • Packaging0.1g
  • Price$630
  • Updated2021-12-16
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  • ManufacturerAHH
  • Product numberAPI-1192
  • Product descriptionEfavirenz 97%
  • Packaging0.1g
  • Price$630
  • Updated2026-05-25
  • Buy
  • ManufacturerAHH
  • Product numberAPI-1192
  • Product descriptionEfavirenz 97%
  • Packaging0.1g
  • Price$630
  • Updated2026-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0037N3 (4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one 98-102%(Solventfreebasis) 5g $55 2026-05-28 Buy
aablocks AA0037N3 (4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one 97% 1g $35 2026-05-28 Buy
aablocks AA0037N3 (4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one ≥98%(HPLC) 10mg $12 2026-05-28 Buy
aablocks AA0037N3 (4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one 98-102%(Solventfreebasis) 25g $160 2026-05-28 Buy
aablocks AA0037N3 (4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one 97% 100g $396 2026-05-28 Buy
ACHEMBLOCK X191305 (S)-6-Chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-2,4-dihydro-1H-3,1-benzoxazin-2-one 95.00% 25G $660 2026-05-25 Buy
ACHEMBLOCK X191305 (S)-6-Chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-2,4-dihydro-1H-3,1-benzoxazin-2-one 95.00% 25G $660 2026-05-27 Buy
ACHEMBLOCK X191305 (S)-6-Chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-2,4-dihydro-1H-3,1-benzoxazin-2-one 95.00% 5G $170 2026-05-25 Buy
ACHEMBLOCK X191305 (S)-6-Chloro-4-(2-cyclopropylethynyl)-4-(trifluoromethyl)-2,4-dihydro-1H-3,1-benzoxazin-2-one 95.00% 5G $170 2026-05-27 Buy
Adipogen Life Sciences AG-CR1-3751-M250 Efavirenz ≥98%(HPLC) 250mg $250 2026-05-06 Buy
Adipogen Life Sciences AG-CR1-3751-M010 Efavirenz ≥98%(HPLC) 10mg $40 2026-05-06 Buy
Adipogen Life Sciences AG-CR1-3751-M050 Efavirenz ≥98%(HPLC) 50mg $90 2026-05-06 Buy
Adipogen Life Sciences AG-CR1-3751-M050 Efavirenz ≥98%(HPLC) 50mg $110 2021-12-16 Buy
AHH API-1192 Efavirenz 98% 0.1g $630 2021-12-16 Buy
AHH API-1192 Efavirenz 97% 0.1g $630 2026-05-25 Buy
AHH API-1192 Efavirenz 97% 0.1g $630 2026-05-26 Buy

Properties

Melting point :139-141°C
alpha :D20 -84.7° (c = 0.005 g/ml in CH3Cl); D25 -94.1° (c = 0.300 in methanol)
Boiling point :340.6±42.0 °C(Predicted)
Density :1.53±0.1 g/cm3(Predicted)
Flash point :2℃
storage temp. :-20°C
solubility :DMSO: soluble15mg/mL, clear
pka :10.2(at 25℃)
form :powder or crystals
color :white to beige
optical activity :[α]/D -90 to -100°, c = 1 in methanol
Water Solubility :8mg/L(temperature not stated)
λmax :247nm(MeOH)(lit.)
Merck :14,3521
Henry's Law Constant :1.4×103 mol/(m3Pa) at 25℃, HSDB (2015)
BCS Class :4
InChI :1S/C14H9ClF3NO2/c15-9-3-4-11-10(7-9)13(14(16,17)18,21-12(20)19-11)6-5-8-1-2-8/h3-4,7-8H,1-2H2,(H,19,20)/t13-/m0/s1
InChIKey :XPOQHMRABVBWPR-ZDUSSCGKSA-N
SMILES :ClC1=CC=C2C([C@@](C#CC3CC3)(C(F)(F)F)OC(N2)=O)=C1
EPA Substance Registry System :2H-3,1-Benzoxazin-2-one, 6-chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-, (4S)- (154598-52-4)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)Health Hazard (GHS08)Environment (GHS09)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H360 May damage fertility or the unborn child Reproductive toxicity Category 1A, 1B Danger
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P202 Do not handle until all safety precautions have been read and understood.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P273 Avoid release to the environment.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P308+P313 IF exposed or concerned: Get medical advice/attention.

Description

Non-nucleoside reverse transcriptase inhibitors (NNRTIs) are highly specific and potent allosteric inhibitors of human immunodeficiency virus type 1 (HIV-1) reverse transcriptase. Efavirenz is an NNRTI that prevents RNA plus-strand initiation with an IC50 value of 17 nM. Efavirenz also inhibits the late stages of HIV-1 replication by interfering with HIV-1 Gag-Pol polyprotein processing. It has been used in combination therapy with drugs directed at the treatment of opportunistic infections such as HIV and cancer.

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