(S)-β-Hydroxy-γ-butyrolactone, ACS – CAS 7331-52-4 

Price f.o.b. for gr.1

CAS Number: 7331-52-4 Category:

Additional information

Weight 1 g
product name

(S)-β-Hydroxy-γ-butyrolactone , ACS



product origin

100% made in European Union (according to USP, EUP, ECHA-REACH)

purity grade

>99.99% (raw virgin matter, ultra-pure, sterilized)


lab. / tech. / bio-research / synthesis / industrial

product code


C.A.S. number




ID PubChem substance


formula molecular


formula weight


optical activity

[α]21/D −81°, c = 2 in
ethanol 0

boiling point

98 °C to 100 °C / 0.3 mmHg (lit.)


1.241 g/mL. At 25 °C (lit.)

refractive index

n20/D 1.464 (lit.)

flash point

109 °C – closed cup

sensitivity & storage

Kept airtightly in a light-proof, dry and cool place

assay (unspecified)


appearance (color)

light yellow




(S)-β-Hydroxy-γ-butyrolactone is an important intermediate in organic synthesis and an important chiral pool. It is mainly used in the synthesis of some natural products and some bioactive chiral drugs or antibiotic chiral drugs; for example, it’s a key intermediate in synthesis of nerve regulator (R)-GABOB and brain metabolic accelerant S(-)-Oxiracetam. s-3-Hydroxy-?íbutyrolactone can be deoxidized to S(-)-3-hydroxy-tetrahydrofurane which is an important intermediate of anti-AIDS Drugs ; it is also used in the synthesis of S(-)-3-hydroxy-4-bromobutyric acid which is a potential Stabilizer; it can also be used to produce S(-)-5-hydroxymethyl-oxazolin which is a new antibiotic drug. Besides, both S(-)-N-methyl-hydroxypyrrole and (R)-N-methyl-3-methylamino-pyrrole have important bioactivity, and they can be made from s-3-Hydroxy-?íbutyrolactone by simple reaction. Furthermore, s-3-Hydroxy-?íbutyrolactone can synthesize many natural products.

note (1)

this product is for research use only, is not to be used for therapeutic ; not intended for animal or human or diagnostic or therapeutic use , and cannot be sold to patients.

note (2)

described price of the product is NOT NEGOTIABLE , already around 25% lower than the official price of the International Chemical Stock Exchange / ICIS .

* Possible additional discount for large quantity orders .

packaging / transport

special for chemical transport (according to IATA / ADR / ECHA-REACH rules / int.l laws) .


C.O.A., MSDS, GMP, API, USP, EUP, ECHA-REACH, ORIGIN, etc… (originals will be delivered with good , and copies after confirmed order)


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