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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
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ChemicalBook >> CAS DataBase List >> (-)-DIOP

(-)-DIOP

(-)-DIOP price.
  • $8 - $3394
  • Product name: (-)-DIOP
  • CAS: 32305-98-9
  • MF: C31H32O2P2
  • MW: 498.54
  • EINECS:250-984-2
  • MDL Number:MFCD00014107
  • Synonyms:(2r,3r)-(-)-1,4-Bis(Diphenyl;(-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane, 98% 1GR;(4R,5R)-(-)-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane (-)-DIOP (2R,3R)-(-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane;)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(dipheny;(4R,5R)-(-)-2,2-Dimethyl-4,5-bis((diphenylphosphino)methyl)-1,3-dioxolane;(4R,5R)-(-)-4,5-Bis(diphenylphosphinoMethyl)-2,2-diMethyl-1,3-dioxolane,(R,R)-DIOP.;(-)-DIOP (-)-2,2-dimethyl-4,5-((diphenylphosphino)dimethyl)dioxolane;(4R,5R)-(-)-4,5-BIS(DIPHENYLPHOSPHINOMET
Price36 Properties Safety Information Description
36 prices
Selected condition：
Brand
  • aablocks
  • AHH
  • AK Scientific
  • Alichem
  • Ambeed
  • Apolloscientific
  • Arctom
  • Chemenu
  • ChemScene
  • ChemSupplyAustralia
  • Crysdot
  • Sigma-Aldrich
  • Strem Chemicals
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
Package
  • 10mg
  • 100mg
  • 200MG
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  • 1g
  • 5g
  • 25g
  • 100g
  • Manufactureraablocks
  • Product numberAA003B8S
  • Product description(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 95%
  • Packaging100mg
  • Price$8
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003B8S
  • Product description(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 95%
  • Packaging250mg
  • Price$10
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003B8S
  • Product description(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 95%
  • Packaging1g
  • Price$23
  • Updated2026-05-28
  • Buy
  • ManufacturerAHH
  • Product numberMT-16138
  • Product description(-)-2,3-o-Isopropylidene-2,3-dihydroxy-1,4-bis (diphenylphosphino)butane 97%
  • Packaging5g
  • Price$450
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product number7379AJ
  • Product description(-)-Diop
  • Packaging1g
  • Price$228
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number32305989
  • Product description(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine)
  • Packaging1g
  • Price$236.38
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number32305989
  • Product description(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine)
  • Packaging5g
  • Price$729.24
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA314065
  • Product description(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 98%99%ee
  • Packaging25g
  • Price$1180
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA314065
  • Product description(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 98%99%ee
  • Packaging5g
  • Price$298
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA314065
  • Product description(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 98%99%ee
  • Packaging250mg
  • Price$28
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA314065
  • Product description(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 98%99%ee
  • Packaging100mg
  • Price$18
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA314065
  • Product description(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 98%99%ee
  • Packaging1g
  • Price$78
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR52573
  • Product description(-)-DIOP 98%,98%ee
  • Packaging1g
  • Price$37
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR52573
  • Product description(-)-DIOP 98%,98%ee
  • Packaging100mg
  • Price$21
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR52573
  • Product description(-)-DIOP 98%,98%ee
  • Packaging250mg
  • Price$24
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR52573
  • Product description(-)-DIOP 98%,98%ee
  • Packaging5g
  • Price$176
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003B8S (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 95% 100mg $8 2026-05-28 Buy
aablocks AA003B8S (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 95% 250mg $10 2026-05-28 Buy
aablocks AA003B8S (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 95% 1g $23 2026-05-28 Buy
AHH MT-16138 (-)-2,3-o-Isopropylidene-2,3-dihydroxy-1,4-bis (diphenylphosphino)butane 97% 5g $450 2026-05-26 Buy
AK Scientific 7379AJ (-)-Diop 1g $228 2021-12-16 Buy
Alichem 32305989 (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 1g $236.38 2021-12-16 Buy
Alichem 32305989 (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 5g $729.24 2021-12-16 Buy
Ambeed A314065 (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 98%99%ee 25g $1180 2021-12-16 Buy
Ambeed A314065 (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 98%99%ee 5g $298 2021-12-16 Buy
Ambeed A314065 (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 98%99%ee 250mg $28 2021-12-16 Buy
Ambeed A314065 (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 98%99%ee 100mg $18 2021-12-16 Buy
Ambeed A314065 (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) 98%99%ee 1g $78 2021-12-16 Buy
Apolloscientific OR52573 (-)-DIOP 98%,98%ee 1g $37 2026-06-04 Buy
Apolloscientific OR52573 (-)-DIOP 98%,98%ee 100mg $21 2026-06-04 Buy
Apolloscientific OR52573 (-)-DIOP 98%,98%ee 250mg $24 2026-06-04 Buy
Apolloscientific OR52573 (-)-DIOP 98%,98%ee 5g $176 2026-06-04 Buy
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Properties

Melting point :88-90 °C(lit.)
alpha :-26° (c 2.0, CHCl3)
Boiling point :590.3±25.0 °C(Predicted)
storage temp. :2-8°C
form :Powder
color :white
optical activity :[α]19/D 26°, c = 2.3 in chloroform
Sensitive :Air Sensitive
BRN :1441045
InChIKey :VCHDBLPQYJAQSQ-KYJUHHDHSA-N
SMILES :CC1(C)O[C@@H](CP(c2ccccc2)c3ccccc3)[C@H](CP(c4ccccc4)c5ccccc5)O1

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

For the in situ preparation of chiral hydrogenation catalysts.

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. Beijing Donghualituo Techonlogy Development Co.,Ltd. Alfa Aesar TCI (Shanghai) Development Co., Ltd. Ark Pharm, Inc. Beijing HwrkChemical Technology Co., Ltd Energy Chemical Shanghai Longsheng chemical Co.,Ltd. Maya High Purity Chemicals