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Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

APIs from A to Z →

Results 53,681-53,690 of 59,523

Griseofulvin Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-G063-012
CAS
20168-88-1
Formula
C16H15ClO6
Family
Griseofulvin
Synonyms
(2S,5'R)-7-Chloro-6-hydroxy-3',4-dimethoxy-5'-methylspiro[1-benzofuran-2,4'-cyclohex-2-ene]-1',3-dione, Spiro(benzofuran-2(3h),1'-(2)cyclohexene)-3,4'-dione, 7-chloro-6-hydroxy-2',4-dimethoxy-6'-methyl-, (1's-trans)-

Griseofulvin-d3

Isotopically labelledLevels of characterisation
Cat. No.
P-G063-005
CAS
1279033-22-5
Formula
C17H14D3ClO6
Family
Griseofulvin

Guaifenesin EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-G066-002
CAS
14007-09-1
Formula
C10H14O4
Family
Guaifenesin
Synonyms
2-(2-methoxyphenoxy)propane-1,3-diol, Guaifenesin beta-isomer

Guaifenesin EP Impurity B-d4

Isotopically labelledLevels of characterisation
Cat. No.
P-G066-006
CAS
114609-65-3
Formula
C10H10D4O4
Family
Guaifenesin
Synonyms
2-(2-Methoxyphenoxy)-1,3-propanediol-d4, 1,1,3,3-tetradeuterio-2-(2-methoxyphenoxy)propane-1,3-diol

Guaifenesin EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-G066-003
CAS
1797132-23-0
Formula
C20H26O7
Family
Guaifenesin
Synonyms
1,1'-Oxybis(3-(2-methoxyphenoxy)propan-2-OL), Guaifenesin dimer

Guaifenesin EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-G066-004
CAS
16929-60-5
Formula
C17H20O5
Family
Guaifenesin
Synonyms
1,3-Bis(2-methoxyphenoxy)-2-propanol, 1,3-bis(2-methoxyphenoxy)propan-2-ol

Guaifenesin Metabolite

MetaboliteLevels of characterisation
Cat. No.
P-G066-005
CAS
13057-65-3
Formula
C10H12O5
Family
Guaifenesin
Synonyms
Glyceryl Guaiacolate Metabolite, Guaifenesin Metabolite (Glyceryl Guaiacolate Metabolite, Ranolazine Metabolite CVT-4786)

Guaifenesin-d3

Isotopically labelledLevels of characterisation
Cat. No.
P-G066-007
CAS
1189924-85-3
Formula
C10H11D3O4
Family
Guaifenesin
Synonyms
rac Guaifenesin-d3, 3-[2-(trideuteriomethoxy)phenoxy]propane-1,2-diol

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