(-)corey Lactone Diol CAS 76704-05-7

CAS NO: 32233-40-2 / 76704-05-7
Molecular Formula: C8H12O4
Molecular Weight: 172.18
EINECS NO: 608-721-8
MDL NO: MFCD00075234 / MFCD00274285
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Product Details

Product Description:

Product Name: (-)-corey lactone diol CAS NO: 32233-40-2 / 76704-05-7



(1R)-2β-(Hydroxymethyl)-3α,5α-dihydroxycyclopentane-1α-acetic acid 1,5-lactone;


(+)-Corey Lactone Diol CAS NO: 76704-05-7

Chemical & Physical Properties

Appearance : White to off-white crystalline powder

Assay : ≥99.0%

Density: 1.365g/cm3

Melting point: 114-118℃

Boiling Point: 406.6℃ at 760 mmHg

Flash Point: 172.9℃

Refractive Index: 1.546

Vapor Pressure: 0.0mmHg at 25°C

PSA: 66.76000

LogP: -0.70880

Solubility: DMSO, Methanol.

Category: Standards; Pharmaceutical/API Drug Impurities/Metabolites;

Safety Information

HS Code: 2932209090

Pictogram(s): Corrosive, Irritant

Signal: Danger

GHS Hazard Statements:

Aggregated GHS information provided by 3 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

H302 (33.33%): Harmful if swallowed [Warning Acute toxicity, oral]

H312 (33.33%): Harmful in contact with skin [Warning Acute toxicity, dermal]

H318 (66.67%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

H332 (33.33%): Harmful if inhaled [Warning Acute toxicity, inhalation]

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown.

Precautionary Statement Codes:

P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P310, P312, P322, P330, P363, and P501.

Storage:Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat.


(3aR,4S,5R,6aS)-(-)-Hexahydro-5-hydroxy-4-(hydroxymethyl)-2H-cyclopenta[b]furan-2-one is used to synthesize Lubiprostone;

intermediate of Lubiprostone.

Our factory manufacture’s (-)-corey lactone diol CAS 32233-40-2 , mature technology, stable output, quality assurance.

Inventory Status : In Stock.

We can provide (-)-corey lactone diol CAS 32233-40-2 COA (certificate of analysis),  CAS 32233-40-2 MOA (Method of Analysis), (-)-6beta-Hydroxymethyl-7alpha-hydroxy-cis-2-oxabicyclo[3.3.0]octan-3-one ROS (Route of synthesis), (3aR,4S,5R,6aS)-5-Hydroxy-4-(hydroxymethyl)hexahydro-2H-cyclopenta[b]furan-2-one MSDS (Material Safety Data Sheet) and other support for you !

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Products under patent are offered for R & D purpose only. However, the final responsibility lies exclusively with the buyer.

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