American Chemical Suppliers

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Product
3,4-Dihydro-2H-pyrano(3,2-b)pyridine 3,4-Dihydro-2H-pyrano(3,2-b)pyridine (CAS# 70381-92-9) is used in an iridium-based photoredox catalytic system for radical conjugate addition of nitrogen heterocycles to alkenes. Synonyms: dihydropyranopyridine. CAS No. 70381-92-9. Molecular formula: C8H9NO. Mole weight: 135.16. BOC Sciences 9
3,4-Dihydro-2H-pyrido[1,2-a]pyrimidin-2-one 3,4-Dihydro-2H-pyrido[1,2-a]pyrimidin-2-one. Group: Biochemicals. Alternative Names: Acid Captor H. Grades: Highly Purified. CAS No. 5439-14-5. Pack Sizes: 5g, 10g, 25g, 50g, 100g. US Biological Life Sciences. USBiological 7
Worldwide
3,4-Dihydro-2H-pyrrole-2-carboxylic acid 3,4-Dihydro-2H-pyrrole-2-carboxylic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: dl-1-pyrroline-5-carboxylic acid; Pyrroline-5-carboxylate; 1-pyrroline-5-carboxylate; 3,4-dihydro-2H-pyrrole-2-carboxylic acid; 3,4-Dihydro-2H-pyrrol-2-carbonsaeure; 3,4-Dihydro-2H-Pyrrole-2-carboxylate. CAS No. 2906-39-0. Molecular formula: C5H7NO2. Mole weight: 113.11. Purity: 0.96. IUPACName: 3,4-dihydro-2H-pyrrole-2-carboxylicacid. Canonical SMILES: C1CC(N=C1)C(=O)O. Density: 1.35g/cm³. Product ID: ACM2906390. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry.
3,4-dihydro-2H-thiochromen-4-amine hydrochloride 3,4-dihydro-2H-thiochromen-4-amine hydrochloride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: EINECS 239-980-1, MolPort-004-961-060, CID85920, EN300-12532, (3,4-Dihydro-2H-1-benzothiopyran-4-yl)ammonium chloride, 15857-70-2. Product Category: Heterocyclic Organic Compound. CAS No. 15857-70-2. Molecular formula: C9H12ClNS. Mole weight: 201.716 g/mol. Purity: 0.96. IUPACName: 3,4-dihydro-2H-thiochromen-4-amine hydrochloride. Canonical SMILES: C1CSC2=CC=CC=C2C1N.Cl. ECNumber: 239-980-1. Product ID: ACM15857702. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
3,4-Dihydro-2-methoxy-2H-pyran 3,4-Dihydro-2-methoxy-2H-pyran. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3,4-Dihydro-2-methoxy-2H-pyran;2-Methoxy-2,3-dihydro-4H-pyrane. Product Category: Heterocyclic Organic Compound. CAS No. 4454-5-1. Molecular formula: C6H10O2. Product ID: ACM932952. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
3,4-Dihydro-2-pyridol[1,2-a]pyrimidinone for GC derivatization 3,4-Dihydro-2-pyridol[1,2-a]pyrimidinone for GC derivatization. Uses: Designed for use in research and industrial production. Product Category: Pyrimidines. CAS No. 5439-14-5. Molecular formula: C8H8N2O. Mole weight: 148.16. Purity: ≥99.0%. Product ID: ACM5439145. Alfa Chemistry — ISO 9001:2015 Certified. Categories: 3,4-Dihydro-2H-pyrido[1,2-a]pyrimidin-2-one. Alfa Chemistry.
3,4-Dihydro-3,4-dioxo-1-naphthalenesulfonic acid ammonium salt 3,4-Dihydro-3,4-dioxo-1-naphthalenesulfonic acid ammonium salt. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3,4-Dihydro-3,4-dioxo-1-naphthalenesulfonic acid ammonium salt;1,2-Naphthoquinone -4-Sulfonic Acid Ammonium Salt. Product Category: Heterocyclic Organic Compound. CAS No. 53684-60-9. Product ID: ACM53684609. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
3,4-Dihydro-3-oxo-2H-(1,4)-benzothiazin-2-ylacetic acid 3,4-Dihydro-3-oxo-2H-(1,4)-benzothiazin-2-ylacetic acid. Group: Biochemicals. Alternative Names: 2,3-Dihydro-3-oxo-4H-1,4-benzothiazine-2-acetic acid. Grades: Highly Purified. CAS No. 6270-74-2. Pack Sizes: 5g, 10g, 25g, 50g, 100g. US Biological Life Sciences. USBiological 7
Worldwide
3,4-Dihydro-3-oxo-2H-(1,4)-benzothiazin-2-ylacetic acid 98+% (HPLC) 3,4-Dihydro-3-oxo-2H-(1,4)-benzothiazin-2-ylacetic acid 98+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences. USBiological 4
Worldwide
3,4-Dihydro-3-oxo-2-pyrazinecarboxamide 3,4-Dihydro-3-oxo-2-pyrazinecarboxamide. Group: Biochemicals. Alternative Names: 3-Hydroxypyrazinamide; 3,4-Dihydro-3-oxo-pyrazinecarboxamide; 3-Hydroxy-2-pyrazinecarboxamide; NSC 163503; T 1105. Grades: Highly Purified. CAS No. 55321-99-8. Pack Sizes: 1g. Molecular Formula: C5H5N3O2, Molecular Weight: 139.11. US Biological Life Sciences. USBiological 3
Worldwide
3,4-Dihydro-3-oxo-2-quinoxalinecarboxylic acid 3,4-Dihydro-3-oxo-2-quinoxalinecarboxylic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 1204-75-7. Pack Sizes: 500g, 1g, 2g, 5g, 10g. Molecular Formula: C9H6N2O3. US Biological Life Sciences. USBiological 7
Worldwide
3,4-Dihydro-3-oxo-4-b-D-ribofuranosyl-2-pyrazinecarboxamide It is an antiviral agent and phlebovirus. Synonyms: 4-β-D-ribofuranosyl-3,4-dihydro-3-oxo-2-pyrazine carboxamide; 4-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-3-oxo-pyrazine-2-carboxamide; 3-Oxo-4-(β-D-ribofuranosyl)-3,4-dihydro-2-pyrazinecarboxamide; T-1106. Grade: ≥95%. CAS No. 356782-84-8. Molecular formula: C10H13N3O6. Mole weight: 271.23. BOC Sciences 4
3,4-Dihydro-3-oxo-4-b-D-ribofuranosyl-2-pyrazinecarboxamide 3,4-Dihydro-3-oxo-4-b-D-ribofuranosyl-2-pyrazinecarboxamide. Group: Biochemicals. Grades: Highly Purified. CAS No. 356782-84-8. Pack Sizes: 1g. US Biological Life Sciences. USBiological 8
Worldwide
3,4-Dihydro-4-[[2-hydroxy-1-(hydroxymethyl)ethoxy]methyl]-3-oxo-2-pyrazinecarboxamide 3,4-Dihydro-4-[[2-hydroxy-1-(hydroxymethyl)ethoxy]methyl]-3-oxo-2-pyrazinecarboxamide is an intricately designed and bioactive compound celebrated for its antiviral attributes, exhibiting exquisite specificity in neutralizing target viruses while impeding their replication cycle. Grade: ≥95%. CAS No. 2122281-54-1. Molecular formula: C9H13N3O5. Mole weight: 243.22. BOC Sciences 4
3,4-Dihydro-4-oxo-pyrido[3,4-d]pyrimidine-2-carboxylic Acid 3,4-Dihydro-4-oxo-pyrido[3,4-d]pyrimidine-2-carboxylic Acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 1029420-94-7. Pack Sizes: 100mg. Molecular Formula: C9H5N3O3, Molecular Weight: 191.14. US Biological Life Sciences. USBiological 3
Worldwide
3,4-Dihydro-5-(2-methoxyphenyl)-2H-pyrrole 3,4-Dihydro-5-(2-methoxyphenyl)-2H-pyrrole. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 5-(2-METHOXY-PHENYL)-3,4-DIHYDRO-2H-PYRROLE. Product Category: Heterocyclic Organic Compound. CAS No. 98464-65-4. Molecular formula: C11H13NO. Product ID: ACM98464654. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
3,4-Dihydro-5-[4-(1-piperidinyl)butoxy]-1(2H)-isoquinolinone 3,4-Dihydro-5-[4-(1-piperidinyl)butoxy]-1(2H)-isoquinolinone. Group: Biochemicals. Alternative Names: DPQ. Grades: Highly Purified. CAS No. 129075-73-6. Pack Sizes: 2.5mg. Molecular Formula: C18H26N2O2, Molecular Weight: 302.41. US Biological Life Sciences. USBiological 3
Worldwide
3,4-Dihydro-5-hydroxy-(1H)-isoquinoline-2-carbaldehyde 3,4-Dihydro-5-hydroxy-(1H)-isoquinoline-2-carbaldehyde. Uses: Designed for use in research and industrial production. Additional or Alternative Names: EINECS 301-194-2, 3,4-Dihydro-5-hydroxy-(1H)-isoquinoline-2-carbaldehyde, 93982-05-9. Product Category: Heterocyclic Organic Compound. CAS No. 93982-05-9. Molecular formula: C10H11NO2. Mole weight: 177.199840 [g/mol]. Purity: 0.96. IUPACName: 5-hydroxy-3,4-dihydro-1H-isoquinoline-2-carbaldehyde. Canonical SMILES: C1CN(CC2=C1C(=CC=C2)O)C=O. ECNumber: 301-194-2. Product ID: ACM93982059. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
3,4-Dihydro-6,7,8-trimethoxy-2-methylisoquinolinium methyl sulphate 3,4-Dihydro-6,7,8-trimethoxy-2-methylisoquinolinium methyl sulphate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: EINECS 298-025-7, 3,4-Dihydro-6,7,8-trimethoxy-2-methylisoquinolinium methyl sulphate, 93776-98-8. Product Category: Heterocyclic Organic Compound. CAS No. 93776-98-8. Molecular formula: C14H21NO7S. Mole weight: 347.38404. Purity: 0.96. IUPACName: methyl sulfate; 6,7,8-trimethoxy-2-methyl-3,4-dihydroisoquinolin-2-ium. Canonical SMILES: C[N+]1=CC2=C(C(=C(C=C2CC1)OC)OC)OC.COS(=O)(=O)[O-]. Density: g/cm³. ECNumber: 298-025-7. Product ID: ACM93776988. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
3,4-Dihydro-6,7-dimethoxy-3-oxo-2-quinoxalinepropanoic Acid Intermediate in the production of DMEQ-TAD. Group: Biochemicals. Grades: Highly Purified. CAS No. 99208-26-1. Pack Sizes: 25mg. US Biological Life Sciences. USBiological 2
Worldwide
3,4-Dihydro-6,7-dimethoxy-4-methyl-3-oxo-2-quinoxalinepropanoic acid 3,4-Dihydro-6,7-dimethoxy-4-methyl-3-oxo-2-quinoxalinepropanoic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 6,7-Dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxaline-2-propionic Acid. Product Category: Heterocyclic Organic Compound. Appearance: Yellow Solid. CAS No. 132788-56-8. Molecular formula: C14H16N2O5. Mole weight: 292.29. Purity: 0.96. IUPACName: 3-(6,7-dimethoxy-4-methyl-3-oxoquinoxalin-2-yl)propanoic acid. Canonical SMILES: CN1C2=CC(=C(C=C2N=C(C1=O)CCC(=O)O)OC)OC. Product ID: ACM132788568. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
3,4-Dihydro-6,7-dimethoxy-4-methyl-3-oxo-2-quinoxalinepropanoic Acid Intermediate in the production of DMEQ-TAD. Group: Biochemicals. Alternative Names: 6,7-Dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxaline-2-propionic Acid. Grades: Highly Purified. CAS No. 132788-56-8. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 2
Worldwide
3,4-Dihydro-6,7-dimethoxy-4-methyl-3-oxo-2-quinoxalinepropanoic acid methyl ester 3,4-Dihydro-6,7-dimethoxy-4-methyl-3-oxo-2-quinoxalinepropanoic acid methyl ester. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 6,7-Dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxaline-2-propionic Acid Methyl Ester. Product Category: Heterocyclic Organic Compound. Appearance: Yellow Solid. CAS No. 131426-28-3. Molecular formula: C15H18N2O5. Mole weight: 306.31. Purity: 0.96. IUPACName: methyl 3-(6,7-dimethoxy-4-methyl-3-oxoquinoxalin-2-yl)propanoate. Canonical SMILES: CN1C2=CC(=C(C=C2N=C(C1=O)CCC(=O)OC)OC)OC. Product ID: ACM131426283. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
3,4-Dihydro-6,7-dimethoxy-4-methyl-3-oxo-2-quinoxalinepropanoic Acid Methyl Ester Intermediate in the production of DMEQ-TAD. Group: Biochemicals. Alternative Names: 6,7-Dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxaline-2-propionic Acid Methyl Ester. Grades: Highly Purified. CAS No. 131426-28-3. Pack Sizes: 25mg. US Biological Life Sciences. USBiological 2
Worldwide
3,4-Dihydro-6,7-dimethoxyisoquinoline Hydrochloride 3,4-Dihydro-6,7-dimethoxyisoquinoline Hydrochloride is used in the synthesis of Tetrabenazine, which is a VMAT inhibitor used in the treatment of hyperkinetic movement disorder. Synonyms: Tetrabenazine Impurity 5. Grade: ≥95%. CAS No. 20232-39-7. Molecular formula: C11H14ClNO2. Mole weight: 227.69. BOC Sciences 4
3, 4-Dihydro-6-methoxy-2-phenyl-1-[4- (phenylmethoxy) phenyl]naphthalene Lasofoxifene intermediate. Group: Biochemicals. Grades: Highly Purified. CAS No. 308812-06-8. Pack Sizes: 25mg. US Biological Life Sciences. USBiological 2
Worldwide
3, 4-Dihydro-6-methoxy-7- (phenylmethoxy) -1-[[4- (phenylmethoxy) phenyl]methyl]-isoquinoline 3, 4-Dihydro-6-methoxy-7- (phenylmethoxy) -1-[[4- (phenylmethoxy) phenyl]methyl]-isoquinoline is an intermediate in the synthesis of Coclaurine (C633550), a benzyltetra hydroisoquinoline alkaloid extracted from Magnolia salicifolia. Group: Biochemicals. Grades: Highly Purified. CAS No. 500577-65-1. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 3
Worldwide
3,4-Dihydro-6-methyl-4-oxofuro[2,3-d]pyrimidine-5-carboxylic acid ethyl ester 3,4-Dihydro-6-methyl-4-oxofuro[2,3-d]pyrimidine-5-carboxylic acid ethyl ester. Uses: Designed for use in research and industrial production. Additional or Alternative Names: T5408149, ethyl 6-methyl-4-oxo-3,4-dihydrofuro[2,3-d]pyrimidine-5-carboxylate, ZINC03888480, AC1NLR7Z, AC1Q32VQ, CTK6F5273, MolPort-002-469-470, HMS1742D21, ZINC3888480, AKOS017276474, MCULE-4365369398, NE48733, EN300-14114, ethyl 6-methyl-4-oxo-3H-furo[2,3-d]pyrimidine-5-carboxylate, ethyl 6-methyl-4-oxo-3H,4H-furo[2,3-d]pyrimidine-5-carboxylate, 6-METHYL-4-OXO-3,4-DIHYDRO-FURO[2,3-D]PYRIMIDINE-5-CARBOXYLIC ACID ETHYL ESTER, 848316-19-8. Product Category: Heterocyclic Organic Compound. CAS No. 848316-19-8. Molecular formula: C10H10N2O4. Mole weight: 222.197400 [g/mol]. Purity: 0.96. IUPACName: ethyl 6-methyl-4-oxo-3H-furo[2,3-d]pyrimidine-5-carboxylate. Canonical SMILES: CCOC(=O)C1=C(OC2=C1C(=O)NC=N2)C. Product ID: ACM848316198. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
3,4-Dihydro-6-nitro-2(1H)-quinolinone 3,4-Dihydro-6-nitro-2(1H)-quinolinone. Group: Biochemicals. Alternative Names: 3,4-Dihydro-6-nitrocarbostyril; 6-Nitro-1,2,3,4-tetrahydrochinolin-2-one; 6-Nitro-1,3,4-trihydroquinolin-2-one; 6-Nitro-3,4-dihydro-1H-quinolin-2-one. Grades: Highly Purified. CAS No. 22246-16-8. Pack Sizes: 5g. US Biological Life Sciences. USBiological 2
Worldwide
3,4-Dihydro-7-(4-bromobutoxy)-2(1H)-quinolinone 3,4-Dihydro-7-(4-bromobutoxy)-2(1H)-quinolinone. Uses: Designed for use in research and industrial production. Product Category: Bromine Series. CAS No. 129722-34-5. Product ID: ACM129722345. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry.
3,4-Dihydro-7-(4-chlorobutoxy)-2(1H)-Quinolinone 3,4-Dihydro-7-(4-chlorobutoxy)-2(1H)-Quinolinone. Group: Biochemicals. Grades: Highly Purified. CAS No. 120004-79-7. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. US Biological Life Sciences. USBiological 7
Worldwide
3,4-Dihydro-7,8-dimethoxyisoquinoline 3,4-Dihydro-7,8-dimethoxyisoquinoline is one of Tetrabenazine intermediates. Tetrabenazine is a VMAT-inhibitor used for treatment of hyperkinetic movement disorder. It is a monoamine-depleting and a dopamine-receptor-blocking drug and is an effective and safe drug for the treatment of a variety of hyperkinetic movement disorders. Synonyms: 3,4-Dihydroisobackebergine; Dehydrolemaireocereine; 7,8-Dmdhi; Isoquinoline, 3,4-dihydro-7,8-dimethoxy-. Grade: 98%. CAS No. 75877-72-4. Molecular formula: C11H13NO2. Mole weight: 191.23. BOC Sciences 4
3,4-Dihydro-7-hydroxyquinoline-2(1H)-one 3,4-Dihydro-7-hydroxyquinoline-2(1H)-one. Group: Biochemicals. Alternative Names: 7-Hydroxycarbostyril; 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone; 3,4-Dihydro-7-hydroxy-carbostyril. Grades: Highly Purified. CAS No. 22246-18-0. Pack Sizes: 50g, 100g, 250g, 500g, 1Kg. Molecular Formula: C9H9NO2. US Biological Life Sciences. USBiological 7
Worldwide
3,4-Dihydro-7-hydroxyquinoline-2(1H)-one (7-Hydroxycarbostyril) 3,4-Dihydro-7-hydroxyquinoline-2(1H)-one (7-Hydroxycarbostyril). Group: Biochemicals. Alternative Names: 7-Hydroxycarbostyril. Grades: Highly Purified. Pack Sizes: 1g. US Biological Life Sciences. USBiological 1
Worldwide
3,4-Dihydro-7-methoxy-1-naphthol Acetate 3,4-Dihydro-7-methoxy-1-naphthol Acetate. Group: Biochemicals. Alternative Names: 3,4-Dihydro-7-methoxy-1-n aphthalenol 1-Acetate. Grades: Highly Purified. CAS No. 20176-04-9. Pack Sizes: 1g. Molecular Formula: C13H14O3, Molecular Weight: 218.25. US Biological Life Sciences. USBiological 3
Worldwide
3,4-Dihydro-7-methoxy-2H-1-naphthalenone-O-tosyloxime 3,4-Dihydro-7-methoxy-2H-1-naphthalenone-O-tosyloxime. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 100mg. US Biological Life Sciences. USBiological 1
Worldwide
3,4-Dihydro-7-methyl-2H-1,4-benzothiazine 3,4-Dihydro-7-methyl-2H-1,4-benzothiazine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3,4-DIHYDRO-7-METHYL-2H-1,4-BENZOTHIAZINE, AK-37999, AM806278, 153953-26-5. Product Category: Heterocyclic Organic Compound. CAS No. 153953-26-5. Molecular formula: C9H11NS. Mole weight: 165.255340 [g/mol]. Purity: 0.96. IUPACName: 7-methyl-3,4-dihydro-2H-1,4-benzothiazine. Canonical SMILES: CC1=CC2=C(C=C1)NCCS2. Density: 1.116g/cm³. Product ID: ACM153953265. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
3,4-Dihydro-8-hydroxy-1(2H)-naphthalenone 3,4-Dihydro-8-hydroxy-1(2H)-naphthalenone. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3,4-Dihydro-8-hydroxy-1(2H)-naphthalenone;3,4-Dihydro-8-hydroxynaphthalen-1(2H)-one. Product Category: Heterocyclic Organic Compound. CAS No. 7695-47-8. Molecular formula: C10H10O2. Mole weight: 162.185200 [g/mol]. Purity: 0.96. IUPACName: 8-hydroxy-3,4-dihydro-2H-naphthalen-1-one. Canonical SMILES: C1CC2=C(C(=O)C1)C(=CC=C2)O. Density: 1.236g/cm³. Product ID: ACM7695478. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
3,4-Dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-carboxylic Acid 3,4-Dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-carboxylic Acid is an intermediate in the biosynthesis of Ochratoxin B (O148500), toxic metabolite from aspergillus orchraceus. Group: Biochemicals. Alternative Names: 8-Hydroxy-3-methyl-1-oxo-7-isochromancarboxylic Acid. Grades: Highly Purified. CAS No. 16281-43-9. Pack Sizes: 2.5mg. US Biological Life Sciences. USBiological 3
Worldwide
3,4-Dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-carboxylic Acid Methyl Ester 3,4-Dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-carboxylic Acid Methyl Ester is an intermediate in the biosynthesis of Ochratoxin A (O148490), toxic metabolite from aspergillus orchraceus. Group: Biochemicals. Alternative Names: (±)-3,4-Dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-carboxylic Acid Methyl Ester. Grades: Highly Purified. CAS No. 83769-04-4. Pack Sizes: 2.5mg. US Biological Life Sciences. USBiological 3
Worldwide
3,4-Dihydro-8-methyl-2(1H)-naphthalenone 3,4-Dihydro-8-methyl-2(1H)-naphthalenone. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 8-methyl-3,4-dihydro-1H-naphthalen-2-one, SureCN8368154, AC1MS296, CTK8I1647, AKOS006295668, 31701-18-5. Product Category: Heterocyclic Organic Compound. CAS No. 31701-18-5. Molecular formula: C11H12O. Mole weight: 160.212380 [g/mol]. Purity: 0.96. IUPACName: 8-methyl-3,4-dihydro-1H-naphthalen-2-one. Canonical SMILES: CC1=CC=CC2=C1CC(=O)CC2. Product ID: ACM31701185. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
3,4-Dihydro-8-methylnaphthalen-1(2H)-one 3,4-Dihydro-8-methylnaphthalen-1(2H)-one. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3,4-Dihydro-8-methylnaphthalen-1(2H)-one;8-Methyl-1-tetralone. Product Category: Heterocyclic Organic Compound. CAS No. 51015-28-2. Molecular formula: C11H12O. Mole weight: 160.21. Purity: 0.96. IUPACName: 8-methyl-3,4-dihydro-2H-naphthalen-1-one. Canonical SMILES: CC1=CC=CC2=C1C(=O)CCC2. Density: 1.074g/cm³. ECNumber: 256-912-6. Product ID: ACM51015282. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
3,4-Dihydro-9-[(benzyl)amino]-1(2H)-acridinone 3,4-Dihydro-9-[(benzyl)amino]-1(2H)-acridinone. Group: Biochemicals. Alternative Names: 3,4-Dihydro-9-[(phenylmethyl)amino]-1(2H)-acridinone. Grades: Highly Purified. CAS No. 104675-27-6. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C20H18N2O. US Biological Life Sciences. USBiological 7
Worldwide
3,4-Dihydro-9-phenyl-1(2H)-acridinone 3,4-Dihydro-9-phenyl-1(2H)-acridinone. Uses: Designed for use in research and industrial production. Additional or Alternative Names: T5728418, ZINC07847267, AC1PHKP2, MolPort-005-530-004, MCULE-8305703281, 9-Phenyl-3,4-dihydro-2H-1-acridinone, 3,4-Dihydro-9-phenyl-1(2H)-acridinone, 9-phenyl-3,4-dihydro-2H-acridin-1-one, 17401-27-3. Product Category: Heterocyclic Organic Compound. CAS No. 17401-27-3. Molecular formula: C19H15NO. Mole weight: 273.33. Purity: 0.96. IUPACName: 9-phenyl-3,4-dihydro-2H-acridin-1-one. Canonical SMILES: C1CC2=NC3=CC=CC=C3C(=C2C(=O)C1)C4=CC=CC=C4. Product ID: ACM17401273. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
3,4-Dihydroagomelatine 3,4-Dihydroagomelatine is an impurity of Agomelatine (A430000) which is a melatoninergic agonist and selective antagonist of 5-HT2C receptors and used in the treatment of major depressive disorder. Agomelatine Impurity 1. Group: Biochemicals. Grades: Highly Purified. CAS No. 1352139-51-5. Pack Sizes: 5mg, 10mg. Molecular Formula: C15H19NO2, Molecular Weight: 245.32. US Biological Life Sciences. USBiological 3
Worldwide
3,4-Dihydrobenzo[ghi]perylene 3,4-Dihydrobenzo[ghi]perylene. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3,4-DIHYDROBENZO[GHI]PERYLENE. Product Category: Heterocyclic Organic Compound. CAS No. 16310-65-9. Molecular formula: C22H14. Mole weight: 278.34656. Product ID: ACM16310659. Alfa Chemistry — ISO 9001:2015 Certified. Categories: 1,2-dihydrobenzo[ghi]perylene. Alfa Chemistry. 3
3,4-Dihydroisoquinolin-1(2H)-one 3,4-Dihydroisoquinolin-1(2H)-one. Group: Biochemicals. Grades: Highly Purified. CAS No. 1196-38-9. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. US Biological Life Sciences. USBiological 7
Worldwide
3,4-Dihydroisoquinoline 3,4-Dihydroisoquinoline. Uses: Designed for use in research and industrial production. Product Category: Quinolines. Appearance: Colorless to Yellow Liquid or Solid. CAS No. 3230-65-7. Molecular formula: C9H9N. Mole weight: 131.17. Purity: 0.97. Product ID: ACM3230657. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 2
3,4-Dihydro Ivermectin (Mixture of Diastereomers) 3,4-Dihydro Ivermectin is an impurity of Ivermectin (I940800), an antiparasitic drug that is active against a wide variety of nematode and arthropod parasites and is used to treat scabies and lice in humans. Group: Biochemicals. Grades: Highly Purified. CAS No. 74567-01-4. Pack Sizes: 1mg. Molecular Formula: C48H76O14. US Biological Life Sciences. USBiological 4
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3,4-Dihydro Naratriptan (Naratriptan Impurity B) 3,4-Dihydro Naratriptan (Naratriptan Impurity B). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-Methyl-3-(1,2,3,6-tetrahydro-1-methyl-4-pyridinyl)-1H-indole-5-ethanesulfonamide. CAS No. 121679-20-7. IUPAC Name: N-methyl-2-[3-(1-methyl-3,6-dihydro-2H-pyridin-4-yl)-1H-indol-5-yl]ethanesulfonamide. Molecular formula: C17H23N3O2S. Mole weight: 333.45. Catalog: APS121679207. SMILES: CNS(=O)(=O)CCc1ccc2[nH]cc(C3=CCN(C)CC3)c2c1. Format: Neat. Alfa Chemistry Analytical Products 4
3,4-Dihydropyran 100g Pack Size. Group: Building Blocks, Organics. Formula: C5H8O. CAS No. 110-87-2. Prepack ID 23538497-100g. Molecular Weight 84.12. See USA prepack pricing. Molekula Americas
3,4-Dihydro-pyrrolo[3,4-b]indol-1(2H)-one 3,4-Dihydro-pyrrolo[3,4-b]indol-1(2H)-one. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1040375-79-8, SCHEMBL484701, DB-059085, KB-310247, 3,4-dihydropyrrolo[3,4-b]indol-1(2h)-one, 3,4-dihydro-Pyrrolo[3,4-b]indol-1(2H)-one. Product Category: Heterocyclic Organic Compound. CAS No. 1040375-79-8. Molecular formula: C10H8N2O. Mole weight: 172.183320 [g/mol]. Purity: 0.96. IUPACName: 3,4-dihydro-2H-pyrrolo[3,4-b]indol-1-one. Product ID: ACM1040375798. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
3,4-Dihydroxy-1-butene 3,4-Dihydroxy-1-butene. Uses: Designed for use in research and industrial production. Product Category: Alkenes. CAS No. 497-06-3. Molecular formula: C4H8N2O2. Mole weight: 88.11. Product ID: ACM497063. Alfa Chemistry — ISO 9001:2015 Certified. Categories: 3-BUTENE-1,2-DIOL. Alfa Chemistry.
3',4'-Dihydroxy-1-phenyl-2-butanone 3',4'-Dihydroxy-1-phenyl-2-butanone. Group: Biochemicals. Alternative Names: 4-Butyroylpyrocatechol; 1-(3,4-Dihydroxyphenyl)-1-butanone. Grades: Highly Purified. CAS No. 17386-89-9. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C10H12O3. US Biological Life Sciences. USBiological 7
Worldwide
3’,4’-Dihydroxy-1-phenyl-2-butanone 3’,4’-Dihydroxy-1-phenyl-2-butanone. Group: Biochemicals. Alternative Names: 4-Butyroylpyrocatechol; 1-(3,4-Dihydroxyphenyl)-1-butanone; 3', 4'-Di hydroxybutyrophenone. Grades: Highly Purified. CAS No. 17386-89-9. Pack Sizes: 250mg. US Biological Life Sciences. USBiological 2
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3,4-Dihydroxy-2-(3-methylbutanoyl)-5-(3-methylbutyl)-4-(4-methylpentanoyl)cyclopent-2-en-1-one 3,4-Dihydroxy-2-(3-methylbutanoyl)-5-(3-methylbutyl)-4-(4-methylpentanoyl)cyclopent-2-en-1-one. Uses: Designed for use in research and industrial production. Additional or Alternative Names: EINECS 245-193-4, EINECS 249-253-0, 22748-57-8, 28815-20-5, 3,4-Dihydroxy-5-(3-methylbutyl)-2-(3-methyl-1-oxobutyl)-4-(4-methyl-1-oxopentyl)cyclopent-2-en-1-one. Product Category: Heterocyclic Organic Compound. CAS No. 22748-57-8. Molecular formula: C21H34O5. Mole weight: 366.492 g/mol. Purity: 0.96. IUPACName: 3,4-dihydroxy-2-(3-methylbutanoyl)-5-(3-methylbutyl)-4-(4-methylpentanoyl)cyclopent-2-en-1-one. Canonical SMILES: CC(C)CCC1C(=O)C(=C(C1(C(=O)CCC(C)C)O)O)C(=O)CC(C)C. Density: 1.1g/cm³. ECNumber: 249-253-0. Product ID: ACM22748578. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
3,4-dihydroxy-2-butanone-4-phosphate synthase Requires a divalent cation, preferably Mg2+, for activity. The reaction involves an intramolecular skeletal rearrangement, with the bonds in D-ribulose 5-phosphate that connect C-3 and C-5 to C-4 being broken, C-4 being removed as formate and reconnection of C-3 and C-5. The phosphorylated four-carbon product (L-3,4-dihydroxybutan-2-one 4-phosphate) is an intermediate in the biosynthesis of riboflavin. Group: Enzymes. Synonyms: DHBP synthase; L-3,4-dihydroxybutan-2-one-4-phosphate synthase. Enzyme Commission Number: EC 4.1.99.12. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4927; 3,4-dihydroxy-2-butanone-4-phosphate synthase; EC 4.1.99.12; DHBP synthase; L-3,4-dihydroxybutan-2-one-4-phosphate synthase. Cat No: EXWM-4927. Creative Enzymes
3',4'-Dihydroxy-2-(methylamino)acetophenone hydrochloride Adrenalone is an adrenergic agonist used as a topical vasoconstrictor and hemostatic, mainly acts on alpha-1 adrenergic receptors. Synonyms: 1-(3,4-dihydroxyphenyl)-2-(methylamino)ethanone; hydrochloride. Grade: > 98 %. CAS No. 62-13-5. Molecular formula: C9H11NO3 · HCl. Mole weight: 217.65. BOC Sciences 4
3',4'-Dihydroxy-2-methylaminoacetophenone hydrochloride hydrate 3',4'-Dihydroxy-2-methylaminoacetophenone hydrochloride hydrate. CAS No: 62-13-5 Sarchem Laboratories
Sarchem Laboratories New Jersey NJ
3,4-Dihydroxy-3-cyclobutene-1,2-dione 99%. Group: Synthetic tools and reagents. Alfa Chemistry Analytical Products 4
3,4-Dihydroxy-3-cyclobutene-1,2-dione 3,4-dihydroxy-3-cyclobutene-1,2 dione, commonly known as squaric acid, is widely used in bioorganic and medicinal chemistry. It is an inhibitor of glyoxylase, semiqauric acid, pyruvate dehrogenase, and transketolase. It is used as a replacement for phosphate in a peptide-based ligand for an SH2 domain. Its derivatives are high-affinity ligands for excitatory amino acid receptors. These derivatives are also used as dyes for fluorescence detection of small biological molecules. Uses: 3,4-dihydroxy-3-cyclobutene-1,2-dione can be used: in fluorescence detection in immunoassays, hybridization assays, enzymatic reactions, and other analytical procedures. to form diffraction quality crystals. to synthesize a squarate dianion, which is used as a building block to create uncharged polymeric networks. these ordered structures are used in catalysis, nonlinear optics, electrical conductivity, molecular recognition, and molecular sieves. Group: Synthetic tools and reagents. Alternative Names: Squaric acid. CAS No. 2892-51-5. Pack Sizes: Packaging 5 g in glass bottle 25, 100 g in poly bottle. Product ID: 3,4-Dihydroxycyclobut-3-ene-1,2-dione. Molecular formula: 114.06. Mole weight: (HO)2C4(=O)2. C1(=C(C(=O)C1=O)O)O. InChI=1S/C4H2O4/c5-1-2 (6)4 (8)3 (1)7/h5-6H. PWEBUXCTKOWPCW-UHFFFAOYSA-N. 95%+. Alfa Chemistry Materials 6
3,4-Dihydroxy-3-cyclobutene-1,2-dione 3,4-Dihydroxy-3-cyclobutene-1,2-dione. Group: Biochemicals. Alternative Names: Squaric acid. Grades: Highly Purified. CAS No. 2892-51-5. Pack Sizes: 25g, 50g, 100g, 250g, 500g. Molecular Formula: C4H2O4. US Biological Life Sciences. USBiological 7
Worldwide
3,4-Dihydroxy-5-(3-methylbut-2-enyl)-4-(4-methyl-1-oxopent-3-enyl)-2-(2-methyl-1-oxopropyl)cyclopent-2-en-1-one 3,4-Dihydroxy-5-(3-methylbut-2-enyl)-4-(4-methyl-1-oxopent-3-enyl)-2-(2-methyl-1-oxopropyl)cyclopent-2-en-1-one. Uses: Designed for use in research and industrial production. Additional or Alternative Names: EINECS 246-780-8, 25269-20-9, 3,4-Dihydroxy-5-(3-methylbut-2-enyl)-4-(4-methyl-1-oxopent-3-enyl)-2-(2-methyl-1-oxopropyl)cyclopent-2-en-1-one. Product Category: Heterocyclic Organic Compound. CAS No. 25269-20-9. Molecular formula: C20H28O5. Mole weight: 348.433 g/mol. Purity: 0.96. IUPACName: 3,4-dihydroxy-5-(3-methylbut-2-enyl)-4-(4-methylpent-3-enoyl)-2-(2-methylpropanoyl)cyclopent-2-en-1-one. Canonical SMILES: CC(C)C(=O)C1=C(C(C(C1=O)CC=C(C)C)(C(=O)CC=C(C)C)O)O. Density: 1.15g/cm³. ECNumber: 246-780-8. Product ID: ACM25269209. Alfa Chemistry — ISO 9001:2015 Certified. Categories: Isocohumulone. Alfa Chemistry. 4
3,4-Dihydroxy-5-nitrobenzaldehyde 3,4-Dihydroxy-5-nitrobenzaldehyde. Group: Biochemicals. Alternative Names: 3-Nitro-4,5-dihydroxybenzaldehyde. Grades: Highly Purified. CAS No. 116313-85-0. Pack Sizes: 5g, 10g, 25g, 50g, 100g. Molecular Formula: C7H5NO5. US Biological Life Sciences. USBiological 7
Worldwide
3,4-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid 3,4-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid;NSC 56653;1,2-Dihydroxy-9,10-dihydro-9,10-dioxoanthracene-3-sulfonic acid;1,2-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-3-sulfonic acid;3-Alizarinsulfonic acid;Alizarin Red S free acid;1,2. Product Category: Heterocyclic Organic Compound. CAS No. 83-61-4. Molecular formula: C14H8O7S. Mole weight: 320.27412. Purity: 0.96. IUPACName: 3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonic acid. Canonical SMILES: C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)O. Density: 1.792g/cm³. Product ID: ACM83614. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione 4,5-dioxygenase Requires Fe2+. Also acts on 3-isopropylcatechol and 3-tert-butyl-5-methylcatechol. Group: Enzymes. Synonyms: steroid 4,5-dioxygenase; 3-alkylcatechol 2,3-dioxygenase; 3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione:oxygen 4,5-oxidoreductase (decyclizing). Enzyme Commission Number: EC 1.13.11.25. CAS No. 37256-63-6. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-0544; 3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione 4,5-dioxygenase; EC 1.13.11.25; 37256-63-6; steroid 4,5-dioxygenase; 3-alkylcatechol 2,3-dioxygenase; 3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione:oxygen 4,5-oxidoreductase (decyclizing). Cat No: EXWM-0544. Creative Enzymes
3',4'-Dihydroxyacetophenone 1g Pack Size. Group: Building Blocks, Organics. Formula: C8H8O3. CAS No. 1197-09-7. Prepack ID 13833699-1g. Molecular Weight 152.15. See USA prepack pricing. Molekula Americas
3',4'-Dihydroxyacetophenone 5g Pack Size. Group: Building Blocks, Organics. Formula: C8H8O3. CAS No. 1197-09-7. Prepack ID 13833699-5g. Molecular Weight 152.15. See USA prepack pricing. Molekula Americas
3',4'-Dihydroxyacetophenone 3',4'-Dihydroxyacetophenone. Group: Biochemicals. Grades: Highly Purified. CAS No. 1197-09-7. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C8H8O3. US Biological Life Sciences. USBiological 7
Worldwide
3',4'-Dihydroxyacetophenone 3',4'-Dihydroxyacetophenone (3,4-DHAP), isolated from Picea Schrenkiana Needles exhibits a strong suppressive action against tyrosinase activity, with an IC 50 of 10 μM. 3',4'-Dihydroxyacetophenone (3,4-DHAP) is a vasoactive agent and antioxidant [1] [2]. Uses: Scientific research. Group: Natural products. Alternative Names: 3,4-DHAP. CAS No. 1197-09-7. Pack Sizes: 10 mM * 1 mL; 1 g; 5 g. Product ID: HY-N1775. MedChemExpress MCE

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