Skip to main content

Prunasin

Also known as: (R)-Prunasin, D-Mandelonitrile β-D-glucoside, (αR)-α-(β-D-Glucopyranosyloxy)-α-phenylacetonitrile, (2R)-2-phenyl-2-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyacetonitrile, Benzeneacetonitrile, α-(β-D-glucopyranosyloxy)-, (αR)-

Prunasin (CAS 99-18-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H17NO6 and a molecular weight of 295.29 g/mol. Key properties include a melting point of 138-148ºC, a boiling point of 527.0±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 272.5±30.1 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H360 — May damage fertility or the unborn child. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
99-18-3
Jingsj CID
J-1955855-5
Molecular Formula
C14H17NO6
Molecular Weight
295.29 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point138-148ºC
Boiling Point527.0±50.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point272.5±30.1 °C
Exact Mass295.105591
PSA123.17000
LogP-0.92
Vapor Pressure0.0±1.5 mmHg at 25°C
Refractive Index1.621
Storage ConditionsHygroscopic, -20°C Freezer, Under Inert Atmosphere

GHS Safety & Compliance

Acute Toxicity / Health HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H360 — May damage fertility or the unborn child

Activity & Biological Data

Additional Information[1]. Mizushina Y, et al. The cyanogenic glucoside, prunasin (D-mandelonitrile-beta-D-glucoside), is a novel inhibitor of DNA polymerase beta. J Biochem. 1999;126(2):430-436.

Frequently Asked Questions

What is the CAS number of Prunasin?

The CAS number of Prunasin is 99-18-3.

What are the molecular formula and molecular weight of Prunasin?

Prunasin has molecular formula C14H17NO6 and molecular weight 295.29 g/mol.

Is Prunasin hazardous?

Prunasin has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H360 — May damage fertility or the unborn child.

What are the upstream and downstream products of Prunasin?

For Prunasin, Upstream Products: 2-Hydroxy-2-phenylacetamide, 2,3,4,6-Tetra-O-acetyl-α-D-glucopyranosyl Trichloroacetimidate; Downstream Products: Benzaldehyde, (R)-(-)-Mandelic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Prunasin (CAS 99-18-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955855-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.