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API Reference Standards

Celastrol

Reference StandardAvailable on request

Order Celastrol (CAS 34157-83-0) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Celastrol chemical structure
CAS number34157-83-0
FormulaC29H38O4
Molar mass450.6 g/mol
Physical formSolid
HS code38229090
InChIKeyKQJSQWZMSAGSHN-JJWQIEBTSA-N
IUPAC name(2R,4aS,6aR,6aS,14aS,14bR)-10-hydroxy-2,4a,6a,6a,9,14a-hexamethyl-11-oxo-1,3,4,5,6,13,14,14b-octahydropicene-2-carboxylic acid

About Celastrol

Celastrol is part of the Zemixal API Reference Standards range. Identity at a glance (Reference Standard): CAS 34157-83-0, formula C29H38O4 and molar mass 450.6 g/mol. It is handled as a solid.

Where it is used

  • Identification & assay
  • Method development & validation
  • QC reference material

Handling and storage

Hazard communication follows GHS (Danger: H301). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Celastrol
Product nameCelastrol
Catalogue numberZX-047639
CAS number34157-83-0
IUPAC name(2R,4aS,6aR,6aS,14aS,14bR)-10-hydroxy-2,4a,6a,6a,9,14a-hexamethyl-11-oxo-1,3,4,5,6,13,14,14b-octahydropicene-2-carboxylic acid
Molecular formulaC29H38O4
Molar mass450.6 g/mol
Exact mass450.277
GradeReference Standard
Physical formSolid
XLogP35.9
H-bond donors / acceptors2 / 4
Topological polar surface area74.6 Ų
HS code38229090
InChIKeyKQJSQWZMSAGSHN-JJWQIEBTSA-N
SMILESCC1=C(C(=O)C=C2C1=CC=C3[C@]2(CC[C@@]4([C@@]3(CC[C@@]5([C@H]4C[C@](CC5)(C)C(=O)O)C)C)C)C)O
PubChem CID122724
SynonymsTripterin, Tripterine, D:A-Friedo-24-noroleana-1(10),3,5,7-tetraen-29-oic acid, 3-hydroxy-2-oxo-, (20alpha)-, 3-Hydroxy-24-nor-2-oxo-1(10),3,5,7-friedelatetraen-29-oic Acid, 2-Oxo-3-hydroxy-24-norfriedelane-1(10),3,5,7-tetraene-29-oic acid, 34157-83-0 (castrol), Celastrol,Tripterin, Pristimerin (Celastrol), EX-A7823, (20alpha)-3-hydroxy-2-oxo-D:A-Friedo-24-noroleana-1(10),3,5,7-tetraen-29-oate, (20alpha)-3-hydroxy-2-oxo-D:A-Friedo-24-noroleana-1(10),3,5,7-tetraen-29-oic acid, 3-Hydroxy-2-oxo-24-nor-D:A-friedooleana-1(10),3,5,7-tetraen-29-oic acid

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity

Signal word Danger

  • H301Toxic if swallowed

Precautionary statements P264, P270, P301 + P316, P321, P330, P405, 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 Celastrol
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about Celastrol

Which CAS number identifies Celastrol?
Celastrol is registered under CAS 34157-83-0. You may also see it listed as Tripterin, Tripterine, D:A-Friedo-24-noroleana-1(10),3,5,7-tetraen-29-oic acid, 3-hydroxy-2-oxo-, (20alpha)-. Our catalogue number for this item is ZX-047639.
What are the formula and molar mass of Celastrol?
For Celastrol, its formula is C29H38O4 and its molar mass is 450.6 g/mol. The systematic (IUPAC) name is (2R,4aS,6aR,6aS,14aS,14bR)-10-hydroxy-2,4a,6a,6a,9,14a-hexamethyl-11-oxo-1,3,4,5,6,13,14,14b-octahydropicene-2-carboxylic acid. InChIKey KQJSQWZMSAGSHN-JJWQIEBTSA-N lets you match it in any structure database.
What grade and pack sizes are available for Celastrol?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Celastrol?
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 Celastrol to my country?
Yes. Because Celastrol 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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