Technical Resources

Does UDCA Have Polymorphs? What Milling Actuall...

UDCA is supplied as a single crystal form, so the solid-state risk is not polymorphism but the amorphous content that milling can create. Here is what to ask for on...

Does UDCA Have Polymorphs? What Milling Actuall...

UDCA is supplied as a single crystal form, so the solid-state risk is not polymorphism but the amorphous content that milling can create. Here is what to ask for on...

Chiral Purity of UDCA: Epimers vs Enantiomers E...

Chiral purity sounds like one question, but for UDCA the risk that matters is the C7 epimer impurity A, not mirror-image forms. Here is which test controls which relationship.

Chiral Purity of UDCA: Epimers vs Enantiomers E...

Chiral purity sounds like one question, but for UDCA the risk that matters is the C7 epimer impurity A, not mirror-image forms. Here is which test controls which relationship.

Loss on Drying vs Water Content: Why UDCA Shows...

The two moisture numbers on a UDCA certificate come from different chapters of the pharmacopoeia and different chemistry. Here is what each method removes, and which limit your market expects. 

Loss on Drying vs Water Content: Why UDCA Shows...

The two moisture numbers on a UDCA certificate come from different chapters of the pharmacopoeia and different chemistry. Here is what each method removes, and which limit your market expects. 

How to Read a UDCA COA: What Each Line Actually...

Before you file a supplier's certificate, check the nine lines that carry the weight: limits beside results, who signed it, who made it, and whether the original batch certificate is...

How to Read a UDCA COA: What Each Line Actually...

Before you file a supplier's certificate, check the nine lines that carry the weight: limits beside results, who signed it, who made it, and whether the original batch certificate is...

What Does EP Grade Actually Mean on a Supplier'...

EP grade, BP grade, USP grade, USP Verified. Four phrases doing four different amounts of work, and only one of them is backed by a body that can be checked.

What Does EP Grade Actually Mean on a Supplier'...

EP grade, BP grade, USP grade, USP Verified. Four phrases doing four different amounts of work, and only one of them is backed by a body that can be checked.

Is There a Non-Animal Route to UDCA? What Origi...

The carbon in a bile acid comes from bile, not from a bear and not from a plant. Why the feedstock choice is partly a TSE decision, and what to...

Is There a Non-Animal Route to UDCA? What Origi...

The carbon in a bile acid comes from bile, not from a bear and not from a plant. Why the feedstock choice is partly a TSE decision, and what to...