Reference standards
The wide portfolio of Alsachim's reference standards covers a broad range of applications: pharmaceutical, environmental analysis, food and beverages, doping, toxicology and forensic analysis.
21 products
![[metabolites] Delamanid metabolite](https://www.alsachim.com/21038-list_image/Delamanid-metabolite.jpg)
![[metabolites] 4-Demethyltrimethoprim](https://www.alsachim.com/19529-list_image/4-Demethyltrimethoprim.jpg)
![[metabolites] Tazobactam metabolite](https://www.alsachim.com/19911-list_image/Tazobactam-metabolite.jpg)
Tazobactam metabolite
Product Number: C7524
CAS number: 118175-11-4
Synonyms: (2S,3S)-2-Amino-3-methyl-3-sulfino-4-(1H-1,2,3-triazol-1-yl)butanoic acid
![[metabolites] Linezolid carboxylic acid metabolite](https://www.alsachim.com/19776-list_image/Linezolid-carboxylic-acid-metabolite.jpg)
Linezolid carboxylic acid metabolite
Product Number: C7175
CAS number: 368891-70-7
Synonyms: PNU 142586
![[metabolites] N-desmethyldemeclocycline](https://www.alsachim.com/19630-list_image/N-desmethyldemeclocycline.jpg)
![[metabolites] Ciprofloxacin piperazinyl-N4 sulfate salt](https://www.alsachim.com/17801-list_image/Ciprofloxacin-piperazinyl-N4-sulfate-salt.jpg)
Ciprofloxacin piperazinyl-N4 sulfate salt
Product Number: C2604
CAS number: 105093-21-8
Synonyms: 4-Sulfociprofloxacin
![[metabolites] Idarubicinol trifluoroacetate salt (Mixture of diastereoisomers)](https://www.alsachim.com/17254-list_image/Idarubicinol-trifluoroacetate-salt-Mixture-of-diastereoisomers-.jpg)
Idarubicinol trifluoroacetate salt (Mixture of diastereoisomers)
Product Number: C7171
CAS number: 86189-66-4 free base
Synonyms: 4-Demethoxydaunorubicinol trifluoroacetate
![[metabolites] Nitrofurantoin metabolite hydrochloride salt](https://www.alsachim.com/17185-list_image/Nitrofurantoin-metabolite-hydrochloride-salt.jpg)
Nitrofurantoin metabolite hydrochloride salt
Product Number: C6970
CAS number: 2827-56-7
Synonyms: AHD, 1-Aminohydantoin
![[metabolites] Open ring metabolite Meropenem trifluoroacetate salt](https://www.alsachim.com/17091-list_image/Open-ring-metabolite-Meropenem-trifluoroacetate-salt.jpg)
Open ring metabolite Meropenem trifluoroacetate salt
Product Number: C6769
CAS number: 124190-28-9 free base
![[metabolites] N-Desmethyldoxycycline](https://www.alsachim.com/17071-list_image/N-Desmethyldoxycycline.jpg)
![[metabolites] Daunorubicinol formate salt (Mixture of diastereoisomers)](https://www.alsachim.com/16934-list_image/Daunorubicinol-formate-salt-Mixture-of-diastereoisomers-.jpg)
Daunorubicinol formate salt (Mixture of diastereoisomers)
Product Number: C6452
CAS number: 28008-55-1 free base
![[metabolites] Acetyl-Isoniazid](https://www.alsachim.com/16772-list_image/Acetyl-Isoniazid.jpg)
![[metabolites] Desacetyl cefapirin sodium salt](https://www.alsachim.com/16527-list_image/Desacetyl-cefapirin-sodium-salt.jpg)
Desacetyl cefapirin sodium salt
Product Number: C5130
CAS number: 104557-24-6
Synonyms: Desacetyl cephapirin
![[metabolites] Des-Leucine-Vancomycin diformate salt](https://www.alsachim.com/16225-list_image/Des-Leucine-Vancomycin-diformate-salt.jpg)
![[metabolites] Sulfamethoxazole hydroxylamine](https://www.alsachim.com/16009-list_image/Sulfamethoxazole-hydroxylamine.jpg)
![[metabolites] Doxorubicinol](https://www.alsachim.com/15630-list_image/Doxorubicinol.jpg)
![[metabolites] Desmethyl-levofloxacin](https://www.alsachim.com/15583-list_image/Desmethyl-levofloxacin.jpg)
![[metabolites] 25-O-desacetylrifabutin](https://www.alsachim.com/15371-list_image/25-O-desacetylrifabutin.jpg)
![[metabolites] 25-O-Desacetylrifampicin](https://www.alsachim.com/15026-list_image/25-O-Desacetylrifampicin.jpg)
![[metabolites] N-Desmethylzolmitriptan](https://www.alsachim.com/14966-list_image/N-Desmethylzolmitriptan.jpg)