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.
178 products
![[metabolites] 4-Methoxyestrone](https://www.alsachim.com/17937-list_image/4-Methoxyestrone.jpg)
![[reference-standards] 5-alpha-Pregnane-3,20-dione](https://www.alsachim.com/18720-list_image/5-alpha-Pregnane-3-20-dione.jpg)
![[reference-standards] 5-Azauracil](https://www.alsachim.com/18018-list_image/5-Azauracil.jpg)
![[metabolites] 5-Cholestene-3-beta,4-beta,7-triol](https://www.alsachim.com/19402-list_image/5-Cholestene-3-beta-4-beta-7-triol.jpg)
5-Cholestene-3-beta,4-beta,7-triol
Product Number: C6130
CAS number: 907575-13-7
Synonyms: 4-beta-Hydroxy-7-hydroxycholesterol
![[reference-standards] 5-formyltetrahydrofolic acid](https://www.alsachim.com/19038-list_image/5-formyltetrahydrofolic-acid.jpg)
![[reference-standards] 5-Methoxy-3-indoleacetic acid](https://www.alsachim.com/18228-list_image/5-Methoxy-3-indoleacetic-acid.jpg)
![[reference-standards] 5-Methoxytryptamine](https://www.alsachim.com/18231-list_image/5-Methoxytryptamine.jpg)
![[reference-standards] 5-Methyltetrahydrofolic acid](https://www.alsachim.com/19040-list_image/5-Methyltetrahydrofolic-acid.jpg)
![[reference-standards] 5-α-Dihydrotestosterone undecanoate](https://www.alsachim.com/18647-list_image/5-alpha-Dihydrotestosterone-undecanoate.jpg)
5-α-Dihydrotestosterone undecanoate
Product Number: C4756
CAS number: 6804-12-2
Synonyms: 5-a-Dihydrotestosterone undecanoate
![[metabolites] 6-Keto-estradiol](https://www.alsachim.com/19547-list_image/6-Keto-estradiol.jpg)
6-Keto-estradiol
Product Number: C6441
CAS number: 571-92-6
Synonyms: Estradiol metabolite, Faslodex intermediate, Fulvestrant intermediate
![[metabolites] 6-β-Hydroxytestosterone](https://www.alsachim.com/15257-list_image/6-beta-Hydroxytestosterone.jpg)
6-β-Hydroxytestosterone
Product Number: C2826
CAS number: 62-99-7
Synonyms: 6-beta-Hydroxytestosterone
![[reference-standards] 7-α-Hydroxy-4-cholesten-3-one](https://www.alsachim.com/16454-list_image/7-alpha-Hydroxy-4-cholesten-3-one.jpg)
7-α-Hydroxy-4-cholesten-3-one
Product Number: C4986
CAS number: 3862-25-7
Synonyms: 7-a-Hydroxy-4-cholesten-3-one
![[metabolites] 7-α-Hydroxytestosterone](https://www.alsachim.com/17521-list_image/7-alpha-Hydroxytestosterone.jpg)
![[reference-standards] Acamprosate calcium salt](https://www.alsachim.com/15005-list_image/Acamprosate-calcium-salt.jpg)
![[reference-standards] Adenosine 5'-Diphosphate disodium salt](https://www.alsachim.com/16920-list_image/Adenosine-5-Diphosphate-disodium-salt.jpg)
![[reference-standards] Aldosterone](https://www.alsachim.com/15685-list_image/Aldosterone.jpg)
![[reference-standards] Allopregnanolone](https://www.alsachim.com/18721-list_image/Allopregnanolone.jpg)
![[metabolites] alpha,alpha,beta,beta-Metanephrine 4-(hydrogen sulfate) ammonium salt](https://www.alsachim.com/18209-list_image/alpha-alpha-beta-beta-Metanephrine-4-hydrogen-sulfate--ammonium-salt.jpg)
alpha,alpha,beta,beta-Metanephrine 4-(hydrogen sulfate) ammonium salt
Product Number: C3672
CAS number: 7367-47-7 free acid
Synonyms: alpha-[(Methylamino)methyl]-vanillyl alcohol 4-(hydrogen sulfate)
![[reference-standards] Androsta-1,4-diene-3,17-dione](https://www.alsachim.com/17818-list_image/Androsta-1-4-diene-3-17-dione.jpg)
Androsta-1,4-diene-3,17-dione
Product Number: C2683
CAS number: 897-06-3
Synonyms: Androstadienedione, Androstenedione analogue
![[reference-standards] Androstenone](https://www.alsachim.com/20099-list_image/Androstenone.jpg)