Skip to content
Synthesis Analytics

Catalogue

The compound catalogue

Search 912 reference standards, impurities and working standards by compound name or CAS number. Everything listed can be quoted — pack sizes from 10 mg upward.

Showing 649–672 of 912 compounds

Itraconazole

Itraconazole EP Impurity G

CAS Number

On request

EP Impurity Standard
Lamotrigine

Lamotrigine EP Impurity A

CAS Number

252186-78-0

EP Impurity Standard
Lamotrigine

Lamotrigine EP Impurity B

CAS Number

On request

EP Impurity Standard
Lamotrigine

Lamotrigine EP Impurity E

CAS Number

50-45-3

EP Impurity Standard
Lamotrigine

Lamotrigine EP Impurity F

CAS Number

252186-79-1

EP Impurity Standard
Lansoprazole

Lansoprazole EP Impurity A

CAS Number

213476-12-1

EP Impurity Standard
Lansoprazole

Lansoprazole EP Impurity B

CAS Number

131926-99-3

EP Impurity Standard
Lansoprazole

Lansoprazole EP Impurity C

CAS Number

103577-40-8

EP Impurity Standard
Lansoprazole

Lansoprazole EP Impurity D

CAS Number

615-16-7

EP Impurity Standard
Levetiracetam

Levetiracetam EP Impurity A

CAS Number

67118-31-4

EP Impurity Standard
Levetiracetam

Levetiracetam EP Impurity B

CAS Number

358629-47-7

EP Impurity Standard
Levetiracetam

Levetiracetam EP Impurity C

CAS Number

72762-00-6

EP Impurity Standard
Levetiracetam

Levetiracetam EP Impurity D (R-enantiomer)

CAS Number

103765-01-1

EP Impurity Standard
Levetiracetam

Levetiracetam USP Related Compound A

CAS Number

102767-31-7

USP Related Compound
Levocetirizine

Levocetirizine Impurity S-isomer

CAS Number

On request

Isomeric Impurity
Levocetirizine

Levocetirizine Impurity Ethanol

CAS Number

On request

Reference Standard
Levofloxacin

Levofloxacin USP Related Compound A

CAS Number

117707-40-1

USP Related Compound
Levofloxacin

Levofloxacin USP Related Compound B

CAS Number

100986-89-8

USP Related Compound
Levofloxacin

Levofloxacin USP Related Compound C

CAS Number

177472-30-9

USP Related Compound
Levofloxacin

Levofloxacin Impurity Desfluoro

CAS Number

117620-85-6

Reference Standard
Levofloxacin

Levofloxacin Impurity N-Oxide

CAS Number

On request

N-Oxide Impurity
Linezolid

Linezolid Impurity Dimer

CAS Number

908143-04-4

Dimer Impurity
Linezolid

Linezolid Impurity N-Oxide

CAS Number

189038-36-6

N-Oxide Impurity
Linezolid

Linezolid Impurity R-isomer

CAS Number

872992-20-6

Isomeric Impurity
Rows of stoppered glass tubes under warm light

Next step

Can’t find the impurity you need?

Send us the compound name, the CAS number, or simply the chromatogram you are trying to explain. Our chemists will come back with availability, scale and a realistic timeline.