A.S. Chemical Laboratories - Catalogue

A.S. Chemical Laboratories Inc.

Short Catalog

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

 

 

 

 

 

 

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