Reference standards
2317 products
![[reference-standards] 1-alpha,25-Dihydroxyvitamin D2](https://www.alsachim.com/17541-list_image/1-alpha-25-Dihydroxyvitamin-D2.jpg)
1-alpha,25-Dihydroxyvitamin D2
Product Number: C1155
CAS number: 60133-18-8
Synonyms: 1-alpha,25-Dihydroxycalciferol
![[reference-standards] Isoproturon](https://www.alsachim.com/19456-list_image/Isoproturon.jpg)
Isoproturon
Product Number: C6241
CAS number: 34123-59-6
Synonyms: 3-(4-Isopropylphenyl)-1,1-dimethylurea