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ChemicalBook >> CAS DataBase List >> LEPTOPHOS

LEPTOPHOS

LEPTOPHOS price.
  • $135 - $587
  • Product name: LEPTOPHOS
  • CAS: 21609-90-5
  • MF: C13H10BrCl2O2PS
  • MW: 412.07
  • EINECS:244-472-8
  • MDL Number:MFCD06795848
  • Synonyms:abar(velsicol) ;Fosvel;K62-105;lepton ;MBCP;NK 711;nk711 ;O-(2,5-Dichloro-4-bromophenyl) O-methyl phenylthiophosphonate
6 prices
Selected condition:
Brand
  • AHH
  • Sigma-Aldrich
  • Tocris
  • TRC
Package
  • 5U
  • 100mg
  • 250mg
  • 500mg
  • 1g
  • ManufacturerAHH
  • Product numberMT-53180
  • Product descriptionLeptophos 97%
  • Packaging1g
  • Price$342
  • Updated2026-05-26
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number33366
  • Product descriptionLeptophos PESTANAL
  • Packaging100mg
  • Price$170
  • Updated2026-04-30
  • Buy
  • ManufacturerTocris
  • Product number1987
  • Product descriptionLeptomycinB
  • Packaging5U
  • Price$367
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberTRC-L329655-500MG
  • Product descriptionLeptophos
  • Packaging500mg
  • Price$587
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberL329655
  • Product descriptionLeptophos
  • Packaging250mg
  • Price$245
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberTRC-L329655-100MG
  • Product descriptionLeptophos
  • Packaging100mg
  • Price$135
  • Updated2026-06-03
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-53180 Leptophos 97% 1g $342 2026-05-26 Buy
Sigma-Aldrich 33366 Leptophos PESTANAL 100mg $170 2026-04-30 Buy
Tocris 1987 LeptomycinB 5U $367 2021-12-16 Buy
TRC TRC-L329655-500MG Leptophos 500mg $587 2026-06-03 Buy
TRC L329655 Leptophos 250mg $245 2021-12-16 Buy
TRC TRC-L329655-100MG Leptophos 100mg $135 2026-06-03 Buy

Properties

Melting point :71-73 °C
Boiling point :444.4±55.0 °C(Predicted)
Density :1.53 g/cm3 (25 ºC)
Flash point :>100 °C
storage temp. :0-6°C
solubility :DMSO (Slightly), Methanol (Slightly)
form :solid
color :White to Pale Yellow
Water Solubility :2.4mg/L(25 ºC)
BRN :2152663
Henry's Law Constant :3.7×100 mol/(m3Pa) at 25℃, Mackay and Shiu (1981)
Stability :Hygroscopic, Moisture Sensitive
Major Application :agriculture
environmental InChI :1S/C13H10BrCl2O2PS/c1-17-19(20,9-5-3-2-4-6-9)18-13-8-11(15)10(14)7-12(13)16/h2-8H,1H3
InChIKey :CVRALZAYCYJELZ-UHFFFAOYSA-N
SMILES :COP(=S)(Oc1cc(Cl)c(Br)cc1Cl)c2ccccc2
CAS DataBase Reference :21609-90-5(CAS DataBase Reference)
EPA Substance Registry System :Leptophos (21609-90-5)

Safety Information

Symbol(GHS): Skull and Crossbones (GHS06)Health Hazard (GHS08)Environment (GHS09)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H300 Fatal if swallowed Acute toxicity,oral Category 1, 2 Danger P264, P270, P301+P310, P321, P330,P405, P501
H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501
H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501
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:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

Description

Leptomycin B is a Streptomyces metabolite that inhibits nuclear export of the human immunodeficiency virus type 1 regulatory protein Rev at low nanomolar concentrations. It covalently binds to cysteine residue in the center of CRM1/exportin 1 protein.

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