Product ID

Product name

CAS No.

Formula

Structure

A-080840

Acebutalol Impurity D (EP)

1-[5-amino-2-[(2RS)-2-hydroxy-3-[(1-methylethyl)amino]propoxy]phenyl]ethanone

57898-80-3

C₁₄H₂₂N₂O₃

A-080860

Aciclovir Impurity A (EP),

Acyclovir Impurity A (EP)

2-[(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl acetate

C₁₀H₁₃N₅O₄

A-080823 

Amoxicillin Impurity C (EP)

Amoxicillin Diketopiperazines

C₁₆H₁₉N₃O₅S

A-080822

Amoxicillin Impurity D (EP)

Amoxicillin Penicilloic acids

C₁₆H₂₁N₃O₆S

A-080821 

Amoxicillin Impurity E (EP)

Amoxicillin Penilloic acids

178738-48-2

C₁₅H₂₁N₃O₄S

A-080850 

Ampicillin Impurity C (EP)

Ampicillin Diketopiperazines

C₁₆H₁₉N₃O₄S

A-080851 

Ampicillin Impurity F (EP)

Ampicillin Penilloic acids

C₁₅H₂₁N₃O₃S

B-080799 

Azelastin Impurity A

Benzaly diazane (benzohydrazide)

613-94-5

C₇H₈N₂O

B-080800 

Azelastin Impurity B

1-benzoyl-2-[(4RS)-1-methyl hexahydro-1H-azepin-4yl]diazane

C₁₄H₂₁N₃O

C-0808126 

Azelastin Impurity C

2-[(4-Chloropheyl)acetyl] benzoic acid

53242-76-5

C₁₅H₁₁Cl₃

C-0808127 

Azelastin Impurity D

4-(4-Chlorobenzyl)phthalazin-1(2H)-one

53242-88-9

C₁₅H₁₃ClN₂O

C-0808136 

Azelastin Impurity E

3-(4-Chlorobenzylidene)isobenzofuran-1(3H)-one

20526-97-0

C₁₅H₉ClO₂

B-090331 

Bicalutamide Impurity

Epoxide intermediate

2,3-Epoxy-2-methyl-N-[4-cyano-3-(trifluoromethyl)phenyl] propanamide

90357-51-0

C₁₂H₉F₃N₂O₂

B-090332 

Bicalutamide Impurity

reduction product

N-[4-cyano-3-(trifluoromethyl)pheny1]-3-[(4-fluorophenyl)thio]-2-

hydroxy-2-methylpropanamide

C₁₇H₁₂F₄N₂O₂S

B-070612

Bipiperidine

1,4'-Bipiperidine

4897-50-1

C₁₀H₂₀N₂

B-070616 

Boc Hydorxypiperidine

N-Boc-4-Hydroxypiperidine

109384-19-2

C₁₀H₁₉NO₃

B-070411

Bromo Biphenyl Carboxylic acid

4'-Bromomethyl-Biphenyl-2-Carboxylic Acid Methyl Ester

114772-38-2

C₁₅H₁₃BrO₂

B-070613 

Butylpiperidine

4-Butylpiperidine Hydrochloride

C₉H₁₉N.HCl

M-021208 

Captopril Impurity (MMPA)

3-mercapto-2-methylpropanoic acid (or as 1,2-Diphenylethylamine Salt)

26473-47-2

C₄H₈O₂S

C-02030

Captopril disulfide

L-Proline, 1,1'-[dithiobis[(2S)-2-methyl-1-oxo-3,1-propanediyl]]bis-

64806-05-9

C₁₈H₂₈N₂O₆S₂

N-070911 

Ethyl Nitrobenylidne ester

Ethyl 2-(3-nitrobenzylidene)-3-acetoacetate

C₁₃H₁₃NO₅

F-06060

Fenofibrate Impurity B (EP)

 Fenofibric Acid

2-[4-(4-Chloro-benzoyl)-phenoxy]-2-methyl propionic acid

42017-89-0

C₁₇H₁₅ClO₄

F-051006A 

USP Fosinopril Related Compound A

(4S)-4-cyclohexyl-[(4-phenylbutyl) phosphinyl]acetyl-L-proline

Equivalent to USP Standard

F060202G

USP Fosinopril Related Compound G

4-phenylbutyl)phosphinyl acetic acid

(Na free form)

Equivalent to USP Standard

F-05110H 

USP Fosinopril Related Compound H

4-phenylbutylphosphonic acid

Equivalent to USP Standard

F060202

Fosinopril Impurity Standard A

Acetic acid, [hydroxy(4-phenylbutyl)phosphinyl]

83623-61-4

C₁₂H₁₇O₄P

F-051006 

'Fosinoprilat' 

Fosinopril Impurity Standard B

L-Proline, 4-cyclohexyl-1-[[hydroxy(4-phenylbutyl)phosphinyl]acetyl]-, (4S)

95399-71-6

C₂₃H₃₄NO₅P

F-060102

Fosinopril Impurity Standard C

L-Proline, 4-cyclohexyl-, hydrochloride, (4S)

90657-55-9

C₁₁H₁₉NO₂.ClH

F-060103 

Fosinopril Impurity Standard D

Acetic acid, [(R)-[(1S)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphinyl]

128948-00-5

C₁₉H₂₉O₆P

F-050601 

Fosinopril Impurity Standard F (BHT)

Phenol, 2,6-bis(1,1-dimethylethyl)-4-methyl

128-37-0

C₁₅H₂₄O

F-05110 

Fosinopril Impurity Standard G

Phosphonic acid, (4-phenylbutyl)

46348-61-2

C₁₀H₁₅O₃P

F-05111

Fosinopril Impurity Standard H

L-Proline, 4-cyclohexyl-1-(1,3-dioxopentyl)-, trans

149760-14-5

C₁₆H₂₅NO₄.Mg

A-070801

Gliclazide Impurity

Azabicyclo[3.3.0]octane.HCl

112626-50-3

C₁₇H₁₄NCl

G052001

Glibenclamide Impurity A (EP),

Glyburide Impurity Standard A (EP)

Benzamide, N-[2-[4-(aminosulfonyl)phenyl]ethyl]-5-chloro-2-methoxy

16673-34-0

C₁₆H₁₇ClN₂O₄S

L-05050 

Lamotrigine

1,2,4-Triazine-3,5-diamine, 6-(2,3-dichlorophenyl)

84057-84-1

C₉H₇Cl₂N₅

L-05070 

Lamotrigine Oxidation Impurity standard

3-Amino-6-(2,3-dichlorophenyl)1,2,4-triazine-5(4H)-one

252186-78-0

C₉H₆Cl₂N₄O

L-040201

Lovastatin

Butanoic acid, 2-methyl-, (1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester, (2S)

75330-75-5

C₂₄H₃₆O₅

T-03120 

Lovastatin Impurity

(Triol Acid)

1-Naphthaleneheptanoic acid, 1,2,6,7,8,8a-hexahydro-β,δ,8-trihydroxy-2,6-dimethyl-, (βR,δR,1S,2S,6R,8S,8aR)

132748-10-8

C₁₉H₃₀O₅

D-03090 

Lovastatin Impurity

(Diol Lactone)

2H-Pyran-2-one, 6-[2-[(1S,2S,6R,8S,8aR)-1,2,6,7,8,8a-hexahydro-8-hydroxy-2,6-dimethyl-1-naphthalenyl]ethyl]tetrahydro-4-hydroxy-, (4R,6R)

79952-42-4

C₁₉H₂₈O₄

M-03050 

Lovastatin Impurity

(Mevinolinic Acid-Sodium Salt)

[[1S-(1aR*),3a,7b,8b(2S*,4S*),-8ab]-2-Methyl butanoic acid 8(S)-hydroxy-1(S)naphthyl]-3(R),5(R)-dihydroxyheptanoic acid,sodium

75225-51-3

C₂₄H₃₈O₆

N-070400 

Nabumetone Impurity A

4-hydroxy-4-(6-methoxy-2-naphthyl)butan-2-one

68427-22-5

C₁₅H₁₆O₃

N-070403 

Nabumetone Impurity B

6-butyl-2-methoxy naphtalene

701270-26-0

C₁₅H₁₈O

N-070402 

Nabumetone Impurity C (EP)

4-(6-methoxy-2-naphthyl)butan-2-ol

65726-24-1

C₁₅H₁₈O₂

N-070401 

Nabumetone Impurity D (EP),

USP Nabumetone Related Compound A

4-(6-methoxy-2-naphthyl)but-3-en-2-one, or 1-(6-Methoxy-2-naphthyl)-but-1-en-3-one

56600-90-9

C₁₅H₁₄O₂

N-070404 

Nabumetone Impurity E

4-(6-methoxy-2-naphthyl)butan-2,4-dione

98386-82-4

C₁₅H₁₄O₃

P-070607 

Piperidine acetyl Carobxylic acid

1-Acetyl-4-Piperidinecarboxylic Acid

25503-90-6

C₈H₁₃NO₃

B-070614

Piperidine Methanesulfonyloxy ester

4-Methanesulfonyloxy-piperidine-1-carboxylic acid tert-butyl ester

141699-59-4

C₁₁H₂₁NO₅S

B-070501  

Piperidinyl Benzisoxazole

6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole HCl

84163-13-3

C₁₂H₁₄ClFN₂O

P-070502

Piperazinyl Benzisothiazole

3-Piperazinyl-1,2-Benzisothiazole Hydrochloride

87691-88-1

C₁₁H₁₃N₃S

R-050604 

Ranitidine.HCl

1,1-Ethenediamine, N-[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl]-N'-methyl-2-nitro

66357-35-5

C₁₃H₂₂N₄O₃S

R-080317 

USP Ranitidine Related Compound A

[5-[[(2-aminoethyl)thio]methyl]-N,N-dimethyl-2-furanmethanamine] hemifumarate

91224-69-0

C₁₄H₂₂N₂O₅S

R-051208 

USP Ranitidine Related Compound C,

Rantidine S-oxide Impurity

1,1-Ethenediamine, N-[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]sulfinyl]ethyl]-N'-methyl-2-nitro

73851-70-4

C₁₃H₂₂N₄O₄S

R-060107 

Ranitidine Impurity,

Rantidine N-oxide

1,1-Ethenediamine, N-[2-[[[5-[(dimethyloxidoamino)methyl]-2-furanyl]methyl]thio]ethyl]-N'-methyl-2-nitro

73857-20-2

C₁₃H₂₂N₄O₄S

S-080603 

Sumatriptan Succinate Impurity,  USP Sumatriptan Related Compound C

[3-[2-(dimethylamino)ethyl]-1-(hydroxymethyl)-1H-indol-5-yl]-N-methylmethanesulfonamide succinate salt

C₁₉H₂₉N₃O₇S

T-010100 

Terbinafine HCl Impurity D (EP)

4-Methylterbinafine HCl

C₂₂H₂₇N.HCl

V-021104 

Valproic acid Impurity,

USP Related Compound A

4-Pentenoic acid, 2-(2-propenyl)

99-67-2

C₈H₁₂O₂

V-021105 

Valproic acid Impurity F (EP),

Divalproex Sodium Impurity

2-Dipropylacetamide, or 2-Propylpentanamide

C₈H₁₇NO