Vinylogous acids

Allopurinol Impurity D, British Pharmacopoeia (BP) Reference Standard, MilliporeSigma™ Supelco™

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, has been developed and issued under the Authority of the issuing Pharmacopoeia.

Dibenzo[B,E]Thiepin-11(6H)-one, British Pharmacopoeia (BP) Reference Standard, MilliporeSigma™ Supelco™

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, has been developed and issued under the Authority of the issuing Pharmacopoeia.

Dorzolamide Impurity B, British Pharmacopoeia (BP) Reference Standard, MilliporeSigma™ Supelco™

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, has been developed and issued under the Authority of the issuing Pharmacopoeia.

4-Aminoantipyrine, ≥98.0%, MilliporeSigma™ Supelco™

MDL Number: MFCD00003145 Synonym: 4-Amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one; Ampyrone

4-Aminoantipyrine, BAKER™, J.T. Baker™

Methyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate, 98%

CAS: 108354-78-5 Molecular Formula: C10H13NO2S Molecular Weight (g/mol): 211.279 MDL Number: MFCD00130099 InChI Key: DKYYKIHEIOOWRB-UHFFFAOYSA-N Synonym: methyl 2-amino-4,5,6,7-tetrahydrobenzo b thiophene-3-carboxylate,2-amino-4,5,6,7-tetrahydro-benzo b thiophene-3-carboxylic acid methyl ester,2-amino-4,5,6,7-tetrahydrobenzo b thiophene-3-carboxylic acid methyl ester,2-amino-4,5,6,7-tetrahydro-benzo b thiophene-3,cbmicro_029799,methyl 2-azanyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate,methyl-2-amino-4,5,6,7-tetrahydrobenzo b thiophene-3-carboxylate,2-amino-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic acid methyl ester,methyl 2-amino-4, 5, 6, 7-tetrahydro-1-benzothiophene-3-carboxylate,methyl 2-amino-4,5,6,7-tetrahydro-1-benzo b thiophene-3-carboxylate PubChem CID: 2756552 IUPAC Name: methyl 2-amino-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate SMILES: COC(=O)C1=C(SC2=C1CCCC2)N

5-Hydroxyquinoline, 99%

CAS: 578-67-6 Molecular Formula: C9H7NO Molecular Weight (g/mol): 145.161 MDL Number: MFCD00006792 InChI Key: GVNQVWJYDXOLST-UHFFFAOYSA-N Synonym: 5-hydroxyquinoline,quinolin-5-ol,5-quinolinol,5-chinolinol,ccris 4330,gyesayhwismzok-uhfffaoysa-n,5-hydroxyquinoline 5-quinolinol,quinolin-5-one,5-hyroxyquinoline,5-hydroxy quinoline PubChem CID: 11360 IUPAC Name: 1H-quinolin-5-one SMILES: C1=CC(=O)C2=CC=CNC2=C1

2,2,6-Trimethyl-1,3-dioxin-4-one, cont. up to ca 6% acetone

CAS: 5394-63-8 Molecular Formula: C7H10O3 Molecular Weight (g/mol): 142.154 MDL Number: MFCD00040468 InChI Key: XFRBXZCBOYNMJP-UHFFFAOYSA-N Synonym: 2,2,6-trimethyl-4h-1,3-dioxin-4-one,2,2,4-trimethyl-6-keto-1,3-dioxin,diketene acetone adduct,4h-1,3-dioxin-4-one, 2,2,6-trimethyl,2,2,6-trimethyl-1,3-dioxen-4-one,2,2,6-trimethyl-1,3-dioxine-4-one,2,2,6-trimethyl-1,3 dioxin-4-one,pubchem20364,2,2,6-trimethyl-4h-1,3-dioxin-4-on,acmc-1akcb PubChem CID: 79368 IUPAC Name: 2,2,6-trimethyl-1,3-dioxin-4-one SMILES: CC1=CC(=O)OC(O1)(C)C

Isatoic anhydride, 97%

CAS: 118-48-9 Molecular Formula: C8H5NO3 Molecular Weight (g/mol): 163.13 MDL Number: MFCD00006700 InChI Key: TXJUTRJFNRYTHH-UHFFFAOYSA-N Synonym: isatoic anhydride,2h-3,1-benzoxazine-2,4 1h-dione,1h-benzo d 1,3 oxazine-2,4-dione,isatoic acid anhydride,4h-3,1-benzoxazine-2,4 1h-dione,isato acid anhydride,n-carboxyanthranilic anhydride,unii-r8tfa74y4u,3,1-benzoxazine-2,4 1h-dione,anthranilic acid, n-carboxy-, cyclic anhydride PubChem CID: 8359 SMILES: O=C1NC2=CC=CC=C2C(=O)O1

4-Ethoxymethylene-2-phenyloxazolin-5-one, 98+%

CAS: 15646-46-5 Molecular Formula: C12H11NO3 Molecular Weight (g/mol): 217.224 MDL Number: MFCD00003204 InChI Key: SJHPCNCNNSSLPL-NTMALXAHSA-N Synonym: oxazolone,oxazolone sensitizing agent,5 4h-oxazolone, 4-ethoxymethylene-2-phenyl,unii-78il0j7n72,4-ethoxymethylene-2-phenyl-2-oxazolin-5-one,4-ethoxymethylene-2-phenyloxazolin-5-one,4-ethoxymethylene-2-phenyl-2-oxazoline-5-one,4z-4-ethoxymethylidene-2-phenyl-1,3-oxazol-5-one,2-oxazolin-5-one, 4-ethoxymethylene-2-phenyl,4-ethoxymethylene-2-phenyloxazolone PubChem CID: 1712094 IUPAC Name: (4Z)-4-(ethoxymethylidene)-2-phenyl-1,3-oxazol-5-one SMILES: CCOC=C1C(=O)OC(=N1)C2=CC=CC=C2

1-Phenyl-1H-pyrazole-4-carboxylic acid, 99%

CAS: 1134-50-5 Molecular Formula: C10H8N2O2 Molecular Weight (g/mol): 188.186 MDL Number: MFCD00514518 InChI Key: ZROILLPDIUNLSE-UHFFFAOYSA-N Synonym: 1-phenyl-1h-pyrazole-4-carboxylic acid,pyrazole-4-carboxylic acid, 1-phenyl,1h-pyrazole-4-carboxylic acid, 1-phenyl,1-phenylpyrazole-4-carboxylate,1-phenyl-1h-pyrazol-4-carboxylic acid,pyrazole, 1,1-phenyl-1h-pyrazole-4-carboxylicacid,akos pao-0321,acmc-1c9e6 PubChem CID: 121026 IUPAC Name: 1-phenylpyrazole-4-carboxylic acid SMILES: C1=CC=C(C=C1)N2C=C(C=N2)C(=O)O

7-Benzyloxy-6-methoxy-4(3H)-quinazolinone, 96%

CAS: 179688-01-8 Molecular Formula: C16H14N2O3 Molecular Weight (g/mol): 282.299 MDL Number: MFCD04115119 InChI Key: ZCUFFSHMOAEEIL-UHFFFAOYSA-N Synonym: 7-benzyloxy-6-methoxyquinazolin-4 3h-one,6-methoxy-7-benzyloxyquinazolin-4-one,7-benzyloxy-6-methoxy-3h-quinazolin-4-one,7-benzyloxy-6-methoxyquinazolin-4-ol,7-benzyloxy-6-methoxyquinazolin-4 1h-one,4 3h-quinazolinone, 6-methoxy-7-phenylmethoxy,7-benzyloxy-6-methoxy-4 3h-quinazolinone,4 1h-quinazolinone, 6-methoxy-7-phenylmethoxy PubChem CID: 10540849 IUPAC Name: 6-methoxy-7-phenylmethoxy-1H-quinazolin-4-one SMILES: COC1=C(C=C2C(=C1)C(=O)N=CN2)OCC3=CC=CC=C3

N-Methylisatoic anhydride, tech. 90%

CAS: 10328-92-4 Molecular Formula: C9H7NO3 Molecular Weight (g/mol): 177.159 MDL Number: MFCD00006815 InChI Key: KJMRWDHBVCNLTQ-UHFFFAOYSA-N Synonym: n-methylisatoic anhydride,1-methyl-1h-benzo d 1,3 oxazine-2,4-dione,n-methyl ia,1-methyl-2h-3,1-benzoxazine-2,4 1h-dione,2h-3,1-benzoxazine-2,4 1h-dione, 1-methyl,n-methyl-n-carboxyanthranilic anhydride,methyl-n-carboxyanthranilic anhydride,1-methylbenzo d 1,3-oxazine-2,4-dione,n-methyl isotoic anhydride,1-methyl-2,4-dihydro-1h-3,1-benzoxazine-2,4-dione PubChem CID: 25160 ChEBI: CHEBI:59054 IUPAC Name: 1-methyl-3,1-benzoxazine-2,4-dione SMILES: CN1C2=CC=CC=C2C(=O)OC1=O

Cromolyn sodium salt, 98%

CAS: 15826-37-6 Molecular Formula: C23H14Na2O11 Molecular Weight (g/mol): 512.33 MDL Number: MFCD00057744 InChI Key: VLARUOGDXDTHEH-UHFFFAOYSA-L Synonym: cromolyn sodium,sodium cromoglycate,disodium cromoglycate,sodium cromoglicate,sodium cromolyn,gastrocrom,nasalcrom,cromoglycate disodium,natrium cromoglicat,lomudal PubChem CID: 27503 ChEBI: CHEBI:128458 SMILES: [Na+].[Na+].OC(COC1=C2C(=O)C=C(OC2=CC=C1)C([O-])=O)COC1=C2C(=O)C=C(OC2=CC=C1)C([O-])=O

3-Amino-4-carbethoxypyrazole, 99%