Penicillin G potassium salt, cell culture gradeA cell culture grade β-lactam antibiotic

Penicillin G potassium salt, cell culture grade (CAS 113-98-4)

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Synonym: Benzylpenicillin potassium salt
Application: A cell culture grade β-lactam antibiotic
CAS Number: 113-98-4
Molecular Weight: 372.48
Molecular Formula: C16H17N2O4S•K
* Refer to Certificate of Analysis for lot specific data (including water content).
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Penicillin G potassium salt (cell culture grade) is a salt of Penicillin G. Penicillin G is a hydrophobic, β-lactam antibiotic produced by Penicillium spp. As an antibiotic, Penicillin G is noted to posses effectiveness mainly against gram-positive organisms. Some gram-negative organisms such as Neiserria gonorrhoeae and Neiserria meningitidis are also reported to be susceptible to Penicillin G. Penicillin G is also known as benzylpenicillin and contains a 6′ phenylacetyl side chain. In acid aqueous solutions, Penicillin is reported to decompose into penillic acid and penilloic acid. Penicillin G is also available as a non-salt (sc-344973) and in salt forms such as Penicillin G sodium (sc-257971, sc-391048).

Appearance :
Physical State :
Solubility :
Soluble in water (100 mg/ml). Insoluble in fatty oils, and liquid paraffln.
Storage :
Store at 4° C
Melting Point :
214-217° C (lit.)
Refractive Index :
n20D ~1.66 (Predicted)
Optical Activity :
α20D +270 - +300°, c = 1 in water
pK Values :
pKa: 2.45 (Predicted)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
PubChem CID :
Merck Index :
14: 7094
MDL Number :
EC Number :
Beilstein Registry :

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Certificate of Analysis

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How i can preparing?

Asked by: Mohammad shaltaf
Thank you for your question. This compound is soluble in water up to 100 mg/mL. Please contact Technical Service by phone, (800)-457-3801 option 2, email <>, or by live chat directly on our website, if you have any further questions.
Answered by: Technical Service
Date published: 2017-05-08
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