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API Impurities

3-Methylcholanthrene

Reference StandardAvailable on request

Order 3-Methylcholanthrene (CAS 56-49-5) online at Zemixal. Request a quote with price, lead time and documents. Packs from 25 mg.

Pack sizes
3-Methylcholanthrene chemical structure
CAS number56-49-5
FormulaC21H16
Molar mass268.4 g/mol
Physical formSolid
HS code38229090
InChIKeyPPQNQXQZIWHJRB-UHFFFAOYSA-N
IUPAC name3-methyl-1,2-dihydrobenzo[j]aceanthrylene

About 3-Methylcholanthrene

Researchers and plant chemists source 3-Methylcholanthrene from Zemixal for routine and specialised work. For your records (Reference Standard), the material is defined by CAS 56-49-5, formula C21H16 and molar mass 268.4 g/mol. It is handled as a solid.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H350 and H413. Read the SDS before first use.

Available as 25 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

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of 3-Methylcholanthrene
Product name3-Methylcholanthrene
Catalogue numberZX-018642
CAS number56-49-5
IUPAC name3-methyl-1,2-dihydrobenzo[j]aceanthrylene
Molecular formulaC21H16
Molar mass268.4 g/mol
Exact mass268.1252
GradeReference Standard
Physical formSolid
XLogP36.4
H-bond donors / acceptors0 / 0
Topological polar surface area0 Ų
HS code38229090
InChIKeyPPQNQXQZIWHJRB-UHFFFAOYSA-N
SMILESCC1=C2CCC3=C2C(=CC4=C3C=CC5=CC=CC=C54)C=C1
PubChem CID1674
Synonyms20-Methylcholanthrene (b) ~, Methylcholanthrene, 20-Methylcholanthrene, 3-methyl-1,2-dihydrocyclopenta[ij]tetraphene, 3-MCA, 3-Methoxycholanthrene, 20-MC, 3-MeCA, Cholanthrene, 3-methyl-, 1,2-Dihydro-3-methylbenz(j)aceanthrylene, Benz(j)aceanthrylene, 1,2-dihydro-3-methyl-, Benz[j]aceanthrylene, 1,2-dihydro-3-methyl-

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Danger

  • H350May cause cancer
  • H413May cause long lasting harmful effects to aquatic life

Precautionary statements P203, P273, P280, P318, 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 3-Methylcholanthrene
25 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 3-Methylcholanthrene

Which CAS number identifies 3-Methylcholanthrene?
3-Methylcholanthrene is registered under CAS 56-49-5. You may also see it listed as 20-Methylcholanthrene (b) ~, Methylcholanthrene, 20-Methylcholanthrene. Our catalogue number for this item is ZX-018642.
What are the formula and molar mass of 3-Methylcholanthrene?
For 3-Methylcholanthrene, its formula is C21H16 and its molar mass is 268.4 g/mol. The systematic (IUPAC) name is 3-methyl-1,2-dihydrobenzo[j]aceanthrylene. InChIKey PPQNQXQZIWHJRB-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 3-Methylcholanthrene?
This listing is Reference Standard grade. Standard packs are 25 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 3-Methylcholanthrene?
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 3-Methylcholanthrene to my country?
Yes. Because 3-Methylcholanthrene 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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