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D-(−)-Pantolactone

ALDRICH/237817 - 99%

Synonym: (R)-(−)-α-Hydroxy-β,β-dimethyl-γ-butyrolactone; (R)-(−)-β,β-Dimethyl-α-hydroxy-γ-butyrolactone; (R)-(−)-Pantolactone; Pantoic acid γ-lactone

CAS Number: 599-04-2
Empirical Formula (Hill Notation): C6H10O3
Molecular Weight: 130.14
EC Number: 209-963-3
MDL Number: MFCD00005392
Linear Formula: C6H10O3
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-237817-5G 5 g
$33.30
1/EA
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45-237817-25G 25 g
$73.50
1/EA
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 237817-5G

 

assay 99%
bp 120-122 °C/15 mmHg (lit.)
form solid
InChI 1S/C6H10O3/c1-6(2)3-9-5(8)4(6)7/h4,7H,3H2,1-2H3/t4-/m0/s1
InChI key SERHXTVXHNVDKA-BYPYZUCNSA-N
mp 91 °C (lit.)
optical activity [α]25/D −49.8°, c = 2 in H2O
Quality Level 200 
SMILES string CC1(C)COC(=O)[C@@H]1O
Application: D-(-)-Pantolactone is a chiral auxiliary used in many asymmetric synthesis reactions.
It can be used as a chiral starting material to synthesize:
• An insect sex pheromone named 1S,2S,3R-1-acetoxymethyl-2,3,4,4-tetrameth-ylcyclopentane.
• (-)-Enantiomer of (R)-8-hydroxy-4,7,7-trimethyl-7,8-dihydrocyclopenta[e]isoindole-1,3(2H,6H)-dione, a norsesquiterpene alkaloid.
• A bicyclic diterpene named isofregenedadiol.

Packaging: 5, 25 g in glass bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity 99%
bp 120-122 °C/15 mmHg (lit.)
mp 91 °C (lit.)
UNSPSC 12352005

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