Pharmaceutical Impurity Standards & Reference Standards

Browse our full catalog of pharmaceutical impurities, reference materials, and research chemicals.

All Products
All 2,841
Please Enquire
THYROXINE

Levothyroxine Lactose adduct 2 (AmadoriRearrangement Product)

CAT No.-
CAS No.-
Mol. F.C27H31I4NO14
Mol. W.1101.16
View
Please Enquire
Impurity Standards

Levothyroxine Impurity 44

CAT No.-
CAS No.-
Mol. F.C15H10I4O5
Mol. W.777.86
View
Please Enquire
Impurity Standards

Levothyroxine Impurity 24

CAT No.-
CAS No.-
Mol. F.C15H11I4NO4
Mol. W.776.87
View
Please Enquire
Impurity Standards

Levothyroxine Impurity 25

CAT No.-
CAS No.-
Mol. F.C21H14I5NO5
Mol. W.994.87
View
Please Enquire
Impurity Standards

Levothyroxine Impurity 26

CAT No.-
CAS No.-
Mol. F.C14H9I4NO3
Mol. W.746.85
View
Please Enquire
Impurity Standards

Levothyroxine Impurity 27

CAT No.-
CAS No.-
Mol. F.C29H13I8NO6
Mol. W.1486.66
View
Please Enquire
THYROXINE

Liothyronine Lactose Adduct

CAT No.-
CAS No.-
Mol. F.C27H32I3NO14
Mol. W.975.26
View
Please Enquire
Impurity Standards

Levothyroxine Impurity 28

CAT No.-
CAS No.-
Mol. F.C15H12I3NO5
Mol. W.666.98
View
Please Enquire
Impurity Standards

Levothyroxine Impurity 30 Sodium Salt

CAT No.-
CAS No.-
Mol. F.C16H12I4NO4. Na
Mol. W.789.90 22.99
View
Please Enquire
Impurity Standards

Levothyroxine Impurity 31

CAT No.-
CAS No.-
Mol. F.C18H16I4N2O5
Mol. W.847.95
View