4,4-Carbonyldibenzonitrile
ImpurityLevels of characterisation
- Cat. No.
- P-L038-008
- CAS
- 32446-66-5
- Formula
- C15H8N2O
- Family
- Letrozole
- Synonyms
- 4,4-Dicyanobenzophenone, p,p'-Dicyanobenzophenone
Pharmaceutical analytical standards
APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.
Results 50,441-50,450 of 59,523
Carcinine Dihydrochloride
ImpurityLevels of characterisation
- Cat. No.
- P-C058-005
- CAS
- 57022-38-5
- Formula
- C8H14N4O·2HCl
- Family
- Carnosine
- Synonyms
- Carcinine (2HCl), beta-Alanylhistamine dihydrochloride
D-Carnosine
ImpurityLevels of characterisation
- Cat. No.
- P-C058-019
- CAS
- 5853-00-9
- Formula
- C9H14N4O3
- Family
- Carnosine
- Synonyms
- Carnosine, D-, D-Histidine, N-beta-alanyl-
L-Carnosine
ImpurityLevels of characterisation
- Cat. No.
- P-C058-020
- CAS
- 305-84-0
- Formula
- C9H14N4O3
- Family
- Carnosine
- Synonyms
- Carnosine, beta-Alanyl-L-histidine
Carnosine Impurity 6
ImpurityLevels of characterisation
- Cat. No.
- P-C058-011
- CAS
- 93287-79-7
- Formula
- C9H15N5O2
- Family
- Carnosine
- Synonyms
- (2S)-2-(3-Aminopropanoylamino)-3-(1H-imidazol-5-yl)propanamide
Carnosine Impurity 7
ImpurityLevels of characterisation
- Cat. No.
- P-C058-022
- CAS
- 7389-97-1
- Formula
- C17H16N4O5
- Family
- Carnosine
- Synonyms
- N-[3-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)propanoyl]-L-histidine
Carnosine Impurity 8 Trifluoroacetate
ImpurityLevels of characterisation
- Cat. No.
- P-C058-014
- CAS
- 2361609-72-3
- Formula
- C11H16N4O4·C2HF3O2
- Family
- Carnosine
- Synonyms
- (2R)-2-(3-Acetamidopropanoylamino)-3-(1H-imidazol-5-yl)propanoic acid trifluoroacetate
Ceftezole Impurity 1
ImpurityLevels of characterisation
- Cat. No.
- P-C102-005
- CAS
- 43194-95-2
- Formula
- C8H12N4O3
- Family
- Ceftezole
- Synonyms
- 2-(1H-tetrazol-1-yl)acetic pivalic anhydride
Ceftezole Impurity 14 Hydrochloride
ImpurityLevels of characterisation
- Cat. No.
- P-C102-019
- CAS
- 59314-23-7
- Formula
- C10H10N4O3S3·HCl
- Family
- Ceftezole
- Synonyms
- (6R,7R)-7-Amino-8-oxo-3-(1,3,4-thiadiazol-2-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid hydrochloride
4-Chloro-1-ethoxy-2-nitrobenzene
ImpurityLevels of characterisation
- Cat. No.
- P-P070-012
- CAS
- 102236-24-8
- Formula
- C8H8ClNO3
- Family
- Phenacetin
- Synonyms
- Phenacetin Impurity 13, Benzene, 4-chloro-1-ethoxy-2-nitro-
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