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Aldehydes & Ketones

Shikalkin

Available on request

Order Shikalkin (CAS 54952-43-1) online at Zemixal: C16H16O5, COA and SDS with every lot, worldwide shipping. Packs from 100 mg.

Pack sizes
Shikalkin chemical structure
CAS number54952-43-1
FormulaC16H16O5
Molar mass288.29 g/mol
InChIKeyNEZONWMXZKDMKF-UHFFFAOYSA-N
IUPAC name5,8-dihydroxy-2-(1-hydroxy-4-methylpent-3-enyl)naphthalene-1,4-dione

About Shikalkin

Shikalkin is part of the Zemixal aldehydes & Ketones range. Key data: CAS 54952-43-1, formula C16H16O5 and molar mass 288.29 g/mol.

Typical applications

  • Organic synthesis
  • Condensation & reductive amination
  • API intermediates
  • Fine chemical synthesis

Handling and storage

Hazard communication follows GHS (Warning: H302 and H400). Our SDS lists exposure controls and first-aid measures.

Available as 100 mg, 250 mg, 1 g and 5 g. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Organic synthesis
  • Condensation & reductive amination
  • API intermediates
  • Fine chemical synthesis

Applications

Specifications and identifiers

Specifications of Shikalkin
Product nameShikalkin
Catalogue numberZX-034998
CAS number54952-43-1
IUPAC name5,8-dihydroxy-2-(1-hydroxy-4-methylpent-3-enyl)naphthalene-1,4-dione
Molecular formulaC16H16O5
Molar mass288.29 g/mol
Exact mass288.0998
XLogP33
H-bond donors / acceptors3 / 5
Topological polar surface area94.8 Ų
InChIKeyNEZONWMXZKDMKF-UHFFFAOYSA-N
SMILESCC(=CCC(C1=CC(=O)C2=C(C=CC(=C2C1=O)O)O)O)C
PubChem CID5208
Synonyms(+-)-Shikonin, C.I. Natural Red 20, (Rac)-Shikonin, (+/-)-Shikonin, (+/-)-Alkannin, ( inverted exclamation markA)-Shikonin, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-pent-3-enyl)naphthalene-1,4-dione, 1,4-Naphthalenedione, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)- (9CI), 1, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-, (S)-, 5,8-Dihydroxy-6-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione, (+-)-Alkannin, C.I. Natural Red 20 (VAN)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H302Harmful if swallowed
  • H400Very toxic to aquatic life

Precautionary statements P264, P270, P273, P301 + P317, P330, P391, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Shikalkin
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Shikalkin

Which CAS number identifies Shikalkin?
Shikalkin is registered under CAS 54952-43-1. You may also see it listed as (+-)-Shikonin, C.I. Natural Red 20, (Rac)-Shikonin. Our catalogue number for this item is ZX-034998.
What are the formula and molar mass of Shikalkin?
For Shikalkin, its formula is C16H16O5 and its molar mass is 288.29 g/mol. The systematic (IUPAC) name is 5,8-dihydroxy-2-(1-hydroxy-4-methylpent-3-enyl)naphthalene-1,4-dione. InChIKey NEZONWMXZKDMKF-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Shikalkin?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Shikalkin?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Shikalkin to my country?
Yes. Because Shikalkin is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
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