MSD Manual

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MSD Manual
Veterinary Manual
The trusted provider of veterinary information since 1955

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VETERINARY PET
Urolith Names

Urolith Names

Mineral Name

Chemical Formula

Chemical Name

Struvite

MgNH4PO4 • 6H20

Magnesium ammonium phosphate hexahydrate

Whewellite

CaC2O4 • H20

Calcium oxalate monohydrate

Weddellite

CaC2O4 • 2H20

Calcium oxalate dihydrate

Hydroxyapatite

Ca10(PO4)6(OH)2

Calcium phosphate (hydroxyl form)

Urate

C5H4N4O3

Urate

Ammonium urate

NH4 • C5H4N4O3

Ammonium urate

Sodium urate

Na • C5H4N4O3 × H2O

Sodium urate monohydrate

Cystine

(SCH2CHNH2COOH)2

Cystine

Silica

SiO2

Silica

Xanthine

C5H4N4O2

Xanthine

Merck & Co., Inc., Rahway, NJ, USA (known as MSD outside of the US and Canada) is dedicated to using leading-edge science to save and improve lives around the world.  The Veterinary Manual was first published in 1955 as a service to the community.  The legacy of this great resource continues in the online and mobile app versions today.

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