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API Impurities

Benzathine penicillin G

Reference StandardAvailable on request

Order Benzathine penicillin G (CAS 1538-09-6) online at Zemixal: C48H56N6O8S2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Benzathine penicillin G chemical structure
CAS number1538-09-6
FormulaC48H56N6O8S2
Molar mass909.1 g/mol
Physical formSolid
HS code38229090
InChIKeyBVGLIYRKPOITBQ-ANPZCEIESA-N
IUPAC nameN,N'-dibenzylethane-1,2-diamine;bis((2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid)

About Benzathine penicillin G

Analytical teams working on Penicillin use Benzathine penicillin G as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 1538-09-6, formula C48H56N6O8S2 and molar mass 909.1 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Handling and storage

It carries the GHS signal word Danger (H302 and H334), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Penicillin

See every impurity, metabolite and related compound we list for this API.

Penicillin standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Benzathine penicillin G
Product nameBenzathine penicillin G
Catalogue numberZX-028241
CAS number1538-09-6
IUPAC nameN,N'-dibenzylethane-1,2-diamine;bis((2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid)
Molecular formulaC48H56N6O8S2
Molar mass909.1 g/mol
Exact mass908.3601
GradeReference Standard
Physical formSolid
H-bond donors / acceptors6 / 12
Topological polar surface area248 Ų
HS code38229090
InChIKeyBVGLIYRKPOITBQ-ANPZCEIESA-N
SMILESCC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)CC3=CC=CC=C3)C(=O)O)C.CC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)CC3=CC=CC=C3)C(=O)O)C.C1=CC=C(C=C1)CNCCNCC2=CC=CC=C2
PubChem CID15232
SynonymsBenzylpenicillin Benzathine, Benzathine Benzylpenicillin, Debecillin, penicillin G benzathine anhydrous, Benzacillin, Lentocillin, Duropenin, Moldamin, Neolin, Bica-penicillin, Pen-Di-Ben, Beacillin

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
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements P233, P260, P264, P270, P271, P284, P301 + P317, P304 + P340, P330, P342 + P316, P403, 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 Benzathine penicillin G
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 Benzathine penicillin G

Which CAS number identifies Benzathine penicillin G?
Benzathine penicillin G is registered under CAS 1538-09-6. You may also see it listed as Benzylpenicillin Benzathine, Benzathine Benzylpenicillin, Debecillin. Our catalogue number for this item is ZX-028241.
What are the formula and molar mass of Benzathine penicillin G?
For Benzathine penicillin G, its formula is C48H56N6O8S2 and its molar mass is 909.1 g/mol. InChIKey BVGLIYRKPOITBQ-ANPZCEIESA-N lets you match it in any structure database.
How is Benzathine penicillin G used in pharmaceutical QC?
Benzathine penicillin G is a characterised reference material linked to Penicillin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Benzathine penicillin G?
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 Benzathine penicillin G?
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 Benzathine penicillin G to my country?
Yes. Because Benzathine penicillin G 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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