Product division
Impurities & Reference Standards
Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.
27,990products
6sub-categories
2,746in stock
COA + SDSwith every lot
API Impurities 14,098Pharmacopeial Impurities (EP / USP / BP) 4,399Nitrosamine Impurities 631Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504Metabolites & Degradation Products 3,922API Reference Standards 3,436
(5S)-N-(Methoxycarbonyl)-L-valyl-5-methyl-L-proline
- CAS
- 1335316-40-9
- Formula
- C13H22N2O5
- MW
- 286.32 g/mol
VQ-044025
(5Z,9Z,13Z)-6,10,14,18-Tetramethylnonadeca-5,9,13,17-tetraen-2-one
- CAS
- 3796-67-6
- Formula
- C23H38O
- MW
- 330.5 g/mol
VQ-042436
(6-Aminopyridin-3-yl)(4-ethylpiperazin-1-yl)methanone
- CAS
- 1275904-70-5
- Formula
- C12H18N4O
- MW
- 234.3 g/mol
VQ-044752
![(6,11-Dihydro-5H-dibenzo[b,e]azepin-6-yl)methanamine chemical structure](/media/structures/FPKDBVUHIXYLNP-UHFFFAOYSA-N.svg)
(6,11-Dihydro-5H-dibenzo[b,e]azepin-6-yl)methanamine
- CAS
- 41218-84-2
- Formula
- C15H16N2
- MW
- 224.3 g/mol
VQ-021994
![(6BR,10aS)-3-Methyl-2,3,6b,7,8,9,10,10a-octahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline chemical structure](/media/structures/QLGUCSLWLPCOTR-RYUDHWBXSA-N.svg)
(6BR,10aS)-3-Methyl-2,3,6b,7,8,9,10,10a-octahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline
- CAS
- 313368-85-3
- Formula
- C14H19N3
- MW
- 229.32 g/mol
VQ-031680
![(6BR,10aS)-8-(4-(4-Fluorophenyl)-4-oxobutyl)-3-methyl-6b,7,8,9,10,10a-hexahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxalin-2(3H)-one chemical structure](/media/structures/ULYPMCDOUIQKSJ-PMACEKPBSA-N.svg)
(6BR,10aS)-8-(4-(4-Fluorophenyl)-4-oxobutyl)-3-methyl-6b,7,8,9,10,10a-hexahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxalin-2(3H)-one
- CAS
- 2117618-95-6
- Formula
- C24H26FN3O2
- MW
- 407.5 g/mol
VQ-044808
![(6R-Trans)-7-[[(2-Amino-4-thiazolyl)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en chemical structure](/media/structures/SGWIRMONYCAJIS-BXKDBHETSA-N.svg)
(6R-Trans)-7-[[(2-Amino-4-thiazolyl)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en
- CAS
- 79350-10-0
- Formula
- C14H14N4O4S2
- MW
- 366.4 g/mol
VQ-022071
![(6R,10S)-6,7,9,10-Tetrahydro-8H-6,10-methanoazepino[4,5-g]quinoxaline-8-carboxylic Acid chemical structure](/media/structures/DPKXSOCWNABKSB-UHFFFAOYSA-N.svg)
(6R,10S)-6,7,9,10-Tetrahydro-8H-6,10-methanoazepino[4,5-g]quinoxaline-8-carboxylic Acid
- CAS
- 1026685-55-1
- Formula
- C14H13N3O2
- MW
- 255.27 g/mol
VQ-034546
![(6R,7R)-3-((Carbamoyloxy)methyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid chemical structure](/media/structures/AIEMBSSBMKFDGU-YNZZGVKBSA-N.svg)
(6R,7R)-3-((Carbamoyloxy)methyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid
- CAS
- 229499-08-5
- Formula
- C16H16N4O8S
- MW
- 424.4 g/mol
VQ-024890
![(6R,7R)-3-(Acetoxymethyl)-7-((((6R,7R)-7-amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)amino)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid chemical structure](/media/structures/PEIGMHGLJQAJIH-DJUAPZDMSA-N.svg)
(6R,7R)-3-(Acetoxymethyl)-7-((((6R,7R)-7-amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)amino)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- CAS
- 2416213-67-5
- Formula
- C18H20N4O8S2
- MW
- 484.5 g/mol
VQ-043100
![(6R,7R)-3-(Acetoxymethyl)-7-((Z)-2-(2-((((2R)-2-((R,Z)-4-(2-aminothiazol-4-yl)-5,8-dioxo-2,9-dioxa-3,6-diazadec-3-en-7-yl)-4-carboxy-5,6-dihydro-2H-1,3-thiazin-5-yl)methyl)amino)thiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid](/media/pack/6r7r-3-acetoxymethyl-7-z-2-2-2r-2-rz-4-2-aminothiazol-4-yl-58-dioxo-29-dioxa-36-diazadec.svg?v=3)
(6R,7R)-3-(Acetoxymethyl)-7-((Z)-2-(2-((((2R)-2-((R,Z)-4-(2-aminothiazol-4-yl)-5,8-dioxo-2,9-dioxa-3,6-diazadec-3-en-7-yl)-4-carboxy-5,6-dihydro-2H-1,3-thiazin-5-yl)methyl)amino)thiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
- CAS
- 1584117-27-0
- Formula
- C31H34N10O13S4
- MW
- 882.91 g/mol
VQ-044964
![(6R,7R)-3-(Acetoxymethyl)-7-(2-(5-chlorothiophen-2-yl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid chemical structure](/media/structures/SCGOGPROGZSWHB-IUODEOHRSA-N.svg)
(6R,7R)-3-(Acetoxymethyl)-7-(2-(5-chlorothiophen-2-yl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- CAS
- 93808-81-2
- Formula
- C16H15ClN2O6S2
- MW
- 430.9 g/mol
VQ-024838
![(6R,7R)-3-(Acetoxymethyl)-8-oxo-7-(thiophene-2-carboxamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid chemical structure](/media/structures/WLBZMMUMCZCQKL-QMTHXVAHSA-N.svg)
(6R,7R)-3-(Acetoxymethyl)-8-oxo-7-(thiophene-2-carboxamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
- CAS
- 104758-14-7
- Formula
- C15H14N2O6S2
- MW
- 382.4 g/mol
VQ-028961
![(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide chemical structure](/media/structures/FHXSMMLRWXNGCJ-DVNKZMJGSA-N.svg)
(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide
- CAS
- 1301254-48-7
- Formula
- C22H22N6O8S2
- MW
- 562.6 g/mol
VQ-028919
![(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic Acid chemical structure](/media/structures/YMVHKMYMQMTDJU-RUKQBBACSA-N.svg)
(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic Acid
- CAS
- 145904-68-3
- Formula
- C19H18N6O5S3
- MW
- 506.6 g/mol
VQ-022077
![(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid chemical structure](/media/structures/GTMGOCSOUCFSBO-UNNJBKMASA-N.svg)
(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid
- CAS
- 929101-89-3
- Formula
- C13H15N5O5S2
- MW
- 385.4 g/mol
VQ-022116
![(6R,7R)-7-((Z)-2-(5-Acetamido-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate chemical structure](/media/structures/RNEWISQPNIJIRB-IIQBEASMSA-N.svg)
(6R,7R)-7-((Z)-2-(5-Acetamido-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
- CAS
- 1240196-56-8
- Formula
- C24H22N8O6S4
- MW
- 646.8 g/mol
VQ-024872
![(6R,7R)-7-((Z)-2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate chemical structure](/media/structures/RGFBRLNVZCCMSV-BIRGHMBHSA-N.svg)
(6R,7R)-7-((Z)-2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
- CAS
- 189345-04-8
- Formula
- C22H20N8O5S4
- MW
- 604.7 g/mol
VQ-045136
![(6R,7R)-7-((Z)-2-(Ethoxyimino)-2-(5-((hydroxy(phosphonooxy)phosphoryl)amino)-1,2,4-thiadiazol-3-yl)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate chemical structure](/media/structures/IPMMEXHFTOVOPX-NQJJCJBVSA-N.svg)
(6R,7R)-7-((Z)-2-(Ethoxyimino)-2-(5-((hydroxy(phosphonooxy)phosphoryl)amino)-1,2,4-thiadiazol-3-yl)acetamido)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
- CAS
- 1286218-64-1
- Formula
- C22H22N8O11P2S4
- MW
- 764.7 g/mol
VQ-022102
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