![[metabolites] 2-Carboxy-1-methyl-ethylmercapturic acid](https://www.alsachim.com/20142-list_image/2-Carboxy-1-methyl-ethylmercapturic-acid.jpg)
2-Carboxy-1-methyl-ethylmercapturic acid
Product Number: C276
CAS number: 33164-65-7
Synonyms: CMEMA
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.
18 products
![[reference-standards] Artemisite](https://www.alsachim.com/14821-list_image/Artemisite.jpg)
Artemisite
Product Number: C6121
CAS number: 101020-89-7
Synonyms: Artemisinin intermediate, Dihydroartemisinin intermediate
![[reference-standards] Artesunate](https://www.alsachim.com/15152-list_image/Artesunate.jpg)
![[reference-standards] Artesunate product 23](https://www.alsachim.com/17680-list_image/Artesunate-product-23.jpg)
![[reference-standards] Artemisone](https://www.alsachim.com/15145-list_image/Artemisone.jpg)
![[reference-standards] Artemisinin](https://www.alsachim.com/14928-list_image/Artemisinin.jpg)
![[reference-standards] β-Artemether](https://www.alsachim.com/17494-list_image/beta-Artemether.jpg)
β-Artemether
Product Number: C1750
CAS number: 71963-77-4
Synonyms: beta-Artemether, Artemos, Dihydroartemisinin methyl ether
![[reference-standards] Mitiglinide](https://www.alsachim.com/17538-list_image/Mitiglinide.jpg)
![[reference-standards] Nateglinide](https://www.alsachim.com/18272-list_image/Nateglinide.jpg)
![[metabolites] (S)-Cotinine](https://www.alsachim.com/17891-list_image/-S-Cotinine.jpg)
![[metabolites] Cotinine, racemic mixture](https://www.alsachim.com/17892-list_image/Cotinine-racemic-mixture.jpg)
![[metabolites] Metanicotine](https://www.alsachim.com/17895-list_image/Metanicotine.jpg)
![[reference-standards] Diprophylline](https://www.alsachim.com/15806-list_image/Diprophylline.jpg)
![[metabolites] Nornicotine, racemic mixture](https://www.alsachim.com/15730-list_image/Nornicotine-racemic-mixture.jpg)
![[reference-standards] Nicotine, racemic mixture](https://www.alsachim.com/15507-list_image/Nicotine-racemic-mixture.jpg)
![[reference-standards] Theophylline](https://www.alsachim.com/15483-list_image/Theophylline.jpg)
Theophylline
Product Number: C2812
CAS number: 58-55-9
Synonyms: 3,9-Dihydro-1,3-dimethyl-1H-purine-2,6-dione
![[metabolites] Dihydroartemisinin (mixture of alpha and beta isomers)](https://www.alsachim.com/15150-list_image/Dihydroartemisinin-mixture-of-alpha-and-beta-isomers-.jpg)
Dihydroartemisinin (mixture of alpha and beta isomers)
Product Number: C1747
CAS number: 131175-87-6
![[reference-standards] Repaglinide](https://www.alsachim.com/14820-list_image/Repaglinide.jpg)