Impurity Reference Standard - Products

Ampicillin Trihydrate

CAT No: CL-APC-01 CAS No: 7177-48-2 Mol Wt: 349.4 : 3(18.0) Mol F: C16H19N3O4S : 3H2O Inv Status: In Stock

Chemical Name: (2S,5R,6R)-6-[[(2R)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid trihydrate ; (2S,5R,6R)-6-[(R)-2-Amino-2-phenylacetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid trihydrate(as per USP)

Ampicillin EP Impurity A

CAT No: CL-APC-02 CAS No: 551-16-6 Mol Wt: 216.3 Mol F: C8H12N2O3S Inv Status: In Stock

Chemical Name: (2S,5R,6R)-6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (as per EP and USP)

Ampicillin EP Impurity B

CAT No: CL-APC-03 CAS No: 19379-33-0 Mol Wt: 349.4 Mol F: C16H19N3O4S Inv Status: Custom Synthesis

Chemical Name: (2S,5R,6R)-6-[[(2S)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (2S,5R,6R)-6-[(S)-2-Amino-2-phenylacetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (as per USP)

Ampicillin EP Impurity C

CAT No: CL-APC-04 CAS No: NA Mol Wt: 349.4 Mol F: C16H19N3O4S Inv Status: Custom Synthesis

Chemical Name: (4S)-2-(3,6-Dioxo-5-phenylpiperazin-2-yl)-5,5-dimethylthiazolidine-4-carboxylic acid ( as per EP)

Ampicillin EP Impurity D

CAT No: CL-APC-05 CAS No: 32746-94-4 Mol Wt: 367.4 Mol F: C16H21N3O5S Inv Status: Custom Synthesis

Chemical Name: (4S)-2-[[[(2R)-2-Amino-2-phenylacetyl]amino]carboxymethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid ; (4S)-2-{[(R)-2-Amino-2-phenylacetamido]methyl}-5,5-dimethylthiazolidine-4-carboxylic acid (as per USP)

Ampicillin EP Impurity E

CAT No: CL-APC-06 CAS No: 1207726-28-0 Mol Wt: 482.6 Mol F: C24H26N4O5S Inv Status: Custom Synthesis

Chemical Name: (2R)-2-[[[(2S,5R,6R)-6-[[(2R)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]-2-phenylacetic acid ; (R)-2-((2S,5R,6R)-6-((R)-2-Amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-2-phenylacetic acid (as per USP)

Ampicillin EP Impurity F

CAT No: CL-APC-07 CAS No: 124774-48-7 Mol Wt: 323.4 Mol F: C15H21N3O3S Inv Status: Custom Synthesis

Chemical Name: (2RS,4S)-2-[[[(2R)-2-Amino-2-phenylacetyl]amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid

Ampicillin EP Impurity G

CAT No: CL-APC-08 CAS No: 31485-02-6 Mol Wt: 266.3 Mol F: C16H14N2O2 Inv Status: Custom Synthesis

Chemical Name: (3R,6R)-3,6-Diphenylpiperazine-2,5-dione ; 3,6-Diphenylpiperazine-2,5-dione (as per USP)

Ampicillin EP Impurity H

CAT No: CL-APC-09 CAS No: 73200-73-4 Mol Wt: 172.2 Mol F: C10H8N2O Inv Status: Custom Synthesis

Chemical Name: 3-Phenylpyrazin-2-ol (as per EP and USP)

Ampicillin EP Impurity I Hydrochloride

CAT No: CL-APC-10 CAS No: NA Mol Wt: 482.6 : 36.5 Mol F: C24H26N4O5S : HCl Inv Status: Custom Synthesis

Chemical Name: (2S,5R,6R)-6-[[(2R)-2-[[(2R)-2-Amino-2-phenylacetyl] amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid hydrochloride

Ampicillin EP Impurity J

CAT No: CL-APC-11 CAS No: 6489-58-3 Mol Wt: 300.4 Mol F: C13H20N2O4S Inv Status: Custom Synthesis

Chemical Name: (2S,5R,6R)-6-[(2,2-Dimethylpropanoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Ampicillin EP Impurity K

CAT No: CL-APC-12 CAS No: 40610-41-1 Mol Wt: 235.3 Mol F: C13H17NO3 Inv Status: Custom Synthesis

Chemical Name: (2R)-2-[(2,2-Dimethylpropanoyl)amino]-2-phenylacetic acid

Ampicillin EP Impurity L

CAT No: CL-APC-13 CAS No: 875-74-1 Mol Wt: 151.2 Mol F: C8H9NO2 Inv Status: Custom Synthesis

Chemical Name: (2R)-2-Amino-2-phenylacetic acid ; (R)-2-Amino-2-phenylacetic acid (as per USP)

Ampicillin EP Impurity M Disodium Salt

CAT No: CL-APC-14 CAS No: 94730-51-5 Mol Wt: 698.8 : 2(23.0) Mol F: C32H38N6O8S2 : 2(Na) Inv Status: Custom Synthesis

Chemical Name: (2S,5R,6R)-6-((R)-2-((R)-2-((R)-2-amino-2-phenylacetamido)-2-((2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, disodium salt

Ampicillin EP Impurity N (Dimer)

CAT No: CL-APC-15 CAS No: NA Mol Wt: 716.8 : 3(23.0) Mol F: C32H40N6O9S2 : 3Na Inv Status: Custom Synthesis

Chemical Name: (4S)-2-(1-((R)-2-Amino-2-phenylacetamido)-2-(((1R)-2-(((1R)-carboxy((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-2-oxo-1-phenylethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid, Trisodium salt

Ampicillin Related Compound 1

CAT No: CL-APC-16 CAS No: 142975-48-2 Mol Wt: 218.2 Mol F: C11H10N2O3 Inv Status: Custom Synthesis

Chemical Name: (E)-3-(Hydroxymethylene)-6-phenylpiperazine-2,5-dione

Ampicillin Oligomer 1 (trimer) Sodium Salt

CAT No: CL-APC-17 CAS No: 94659-48-0 Mol Wt: 1048.2 : 3(23.0) Mol F: C48H57N9O12S3 : 3Na Inv Status: Custom Synthesis

Chemical Name: (4S,4'S)-2,2'-{(1R,7R,13R)-1-Amino-14-[(2S,5R,6R)-2-carboxy-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptan-6-ylamino]-2,5,8,11,14-pentaoxo-1,7,13-triphenyl-3,6,9,12-tetraazatetradecane-4,10-diyl}bis(5,5-dimethylthiazolidine-4-carboxylic acid) Trisodium salt (as per USP)

Ampicillin Open Ring Dimer

CAT No: CL-APC-18 CAS No: NA Mol Wt: 672.8 : 2(23.0) Mol F: C31H40N6O7S2 : 2Na Inv Status: Custom Synthesis

Chemical Name: Disodium ((4S)-2-{1-[(R)-2-amino-2-phenylacetamido]-2-[(1R)-2-{[(4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl]methylamino}-2-oxo-1-phenylethylamino]-2-oxoethyl}-5,5-dimethylthiazolidine-4-carboxylic acid).

Ampicillin Trihydrate Impurity N

CAT No: CL-APC-19 CAS No: NA Mol Wt: 349.4 Mol F: C16H19N3O4S Inv Status: Custom Synthesis

Chemical Name: (3S)-6-[[(2R)-2-Amino-2-phenylacetyl]amino]-2,2-dimethyl-7-oxo-2,3,4,7-tetrahydro-1,4-thiazepine-3-carboxylic Acid

Ampicillin Hydantoin Analog

CAT No: CL-APC-21 CAS No: NA Mol Wt: 375.4 Mol F: C17H17N3O5S Inv Status: Custom Synthesis

Chemical Name: (2S,5R,6R)-6-(2,5-dioxo-4-phenylimidazolidin-1-yl)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Ampicillin EP Impurity B Sodium Salt

CAT No: CL-APC-22 CAS No: 2238812-60-5 Mol Wt: 349.4 : 23.0 Mol F: C16H19N3O4S : Na Inv Status: Custom Synthesis

Chemical Name: (2S,5R,6R)-6-[[(2S)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (2S,5R,6R)-6-[(S)-2-Amino-2-phenylacetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Ampicillin oligomer 1 (trimer)

CAT No: CL-APC-23 CAS No: 114977-84-3 Mol Wt: 1048.2 Mol F: C48H57N9O12S3 Inv Status: Custom Synthesis

Chemical Name: (4S,4'S)-2,2'-{(1R,7R,13R)-1-Amino-14-[(2S,5R,6R)-2-carboxy-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptan-6-ylamino]-2,5,8,11,14-pentaoxo-1,7,13-triphenyl-3,6,9,12-tetraazatetradecane-4,10-diyl}bis(5,5-dimethylthiazolidine-4-carboxylic acid) (as per USP)

S Isomer of Ampicillin Impurities G

CAT No: CL-APC-24 CAS No: 281670-46-0 Mol Wt: 266.3 Mol F: C16H14N2O2 Inv Status: Custom Synthesis

Chemical Name: (3S,6S)-3,6-Diphenylpiperazine-2,5-dione

Ampicillin Sodium

CAT No: CL-APC-25 CAS No: 69-52-3 Mol Wt: 371.39 Mol F: C16H18N3NaO4S Inv Status: In Stock

Chemical Name: (2S,5R,6R)-6-[[(2R)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sodium salt

Ampicillin Decarboxylated Open Ring Dimer

CAT No: CL-APC-26 CAS No: NA Mol Wt: 672.8 Mol F: C31H40N6O7S2 Inv Status: Custom Synthesis

Chemical Name: (4S)-2-((1R)-1-((R)-2-Amino-2-phenylacetamido)-2-(((1R)-2-((((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-2-oxo-1-phenylethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid

Cephradine

CAT No: CL-APC-27 CAS No: 38821-53-3 Mol Wt: 349.4 Mol F: C16H19N3O4S Inv Status: Custom Synthesis

Chemical Name: (6R,7R)-7-((R)-2-Amino-2-(cyclohexa-1,4-dien-1-yl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

L-Phenylglycine Amide

CAT No: CL-APC-28 CAS No: 6485-52-5 Mol Wt: 150.2 Mol F: C8H10N2O Inv Status: Custom Synthesis

Chemical Name: (S)-2-Amino-2-phenylacetamide

Ampicillin Open Ring Trimer

CAT No: CL-APC-29 CAS No: NA Mol Wt: 1066.2 : 4(23.0) Mol F: C48H59N9O13S3 : 4(Na) Inv Status: Custom Synthesis

Chemical Name: (2R,2'R,2''R,4S,4'S,4''S)-2,2',2''-((1R,4R,7R,10R,13S,16R)-16-amino-1-carboxy-3,6,9,12,15-pentaoxo-4,10,16-triphenyl-2,5,8,11,14-pentaazahexadecane-1,7,13-triyl)tris(5,5-dimethylthiazolidine-4-carboxylic acid) sodium salt

Ampicillin Oligomer 2

CAT No: CL-APC-30 CAS No: 1207725-82-3 Mol Wt: 716.8 Mol F: C32H40N6O9S2 Inv Status: Custom Synthesis

Chemical Name: (4S)-2-((1R)-1-((R)-2-Amino-2-phenylacetamido)-2-(((1R)-2-(((1R)-carboxy((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-2-oxo-1-phenylethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid

Ampicillin

CAT No: CL-APC-31 CAS No: 69-53-4 Mol Wt: 349.4 Mol F: C16H19N3O4S Inv Status: Custom Synthesis

Chemical Name: (2S,5R,6R)-6-[[(2R)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

D-Phenylglycinamide

CAT No: CL-APC-32 CAS No: 6485-67-2 Mol Wt: 150.2 Mol F: C8H10N2O Inv Status: Custom Synthesis

Chemical Name: (R)-2-Amino-2-phenylacetamide

Ampicillin D5

CAT No: CL-APC-33 CAS No: 1426173-65-0 Mol Wt: 354.4 Mol F: C16H14N3O4SD5 Inv Status: Custom Synthesis

Chemical Name: (2S,5R,6R)-6-((R)-2-Amino-2-(phenyl-d5)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Lenampicillin D5

CAT No: CL-APC-34 CAS No: 1356905-44-6 Mol Wt: 466.5 Mol F: C21H18D5N3O7S Inv Status: Custom Synthesis

Chemical Name: (5-Methyl-2-oxo-1,3-dioxol-4-yl)methyl (2S,5R,6R)-6-((R)-2-amino-2-(phenyl-d5)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate

Lenampicillin D5 Hydrochloride

CAT No: CL-APC-35 CAS No: 1356847-85-2 Mol Wt: 466.5 : 36.5 Mol F: C21H18D5N3O7S : HCl Inv Status: Custom Synthesis

Chemical Name: (5-Methyl-2-oxo-1,3-dioxol-4-yl)methyl (2S,5R,6R)-6-((R)-2-amino-2-(phenyl-d5)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate hydrochloride

Type:Impurity Reference Standard

API NAME:Ampicillin

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