A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
4-Hydroxy-7-trifluoromethyl-3-quinolinecarboxylic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 574-92-5. Pack Sizes: 1g, 5g, 10g. Molecular Formula: C11H6F3NO3. US Biological Life Sciences.
Worldwide
4-Hydroxy-7-(trifluoromethyl)quinoline
4-Hydroxy-7-(trifluoromethyl)quinoline. Uses: Designed for use in research and industrial production. Product Category: Quinolines. Appearance: White to Beige Powder or Crystals. CAS No. 322-97-4. Molecular formula: C10H6F3NO. Mole weight: 213.16. Purity: 0.96. Product ID: ACM322974. Alfa Chemistry ISO 9001:2015 Certified. Categories: 7-(Trifluorophenyl)quinolin-4-ol.
4-Hydroxy-8-benzyloxycoumarin
Intermediate in the production of anticoagulants. Group: Biochemicals. Alternative Names: 8-(Benzyloxy)-4-hydroxy-coumarin; 4-Hydroxy-8-(phenylmethoxy)-2H-1-benzopyran-2-one. Grades: Highly Purified. CAS No. 30992-67-7. Pack Sizes: 10mg. US Biological Life Sciences.
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4-Hydroxy-8- (trifluoromethyl) quinoline
4-Hydroxy-8- (trifluoromethyl) quinoline. Group: Biochemicals. Alternative Names: 8-(Trifluoromethyl)-4-quinolinol. Grades: Highly Purified. CAS No. 23779-96-6. Pack Sizes: 2g, 5g, 10g, 25g. US Biological Life Sciences.
Worldwide
4-Hydroxy-8-(trifluoromethyl)quinoline
4-Hydroxy-8-(trifluoromethyl)quinoline. Uses: Designed for use in research and industrial production. Product Category: Quinolines. CAS No. 23779-96-6. Molecular formula: C10H6F3NO. Mole weight: 213.16. Purity: 0.98. Product ID: ACM23779966. Alfa Chemistry ISO 9001:2015 Certified.
4-Hydroxy-8-(trifluoromethyl)quinoline-3-carbohydrazide. Uses: Designed for use in research and industrial production. Additional or Alternative Names: AKOS002680391, 4-hydroxy-8-(trifluoromethyl)quinoline-3-carbohydrazide, 873942-91-7. Product Category: Heterocyclic Organic Compound. CAS No. 873942-91-7. Molecular formula: C11H8F3N3O2. Mole weight: 271.195330 [g/mol]. Purity: 0.96. IUPACName: 4-oxo-8-(trifluoromethyl)-1H-quinoline-3-carbohydrazide. Canonical SMILES: C1=CC2=C(C(=C1)C(F)(F)F)NC=C(C2=O)C(=O)NN. Product ID: ACM873942917. Alfa Chemistry ISO 9001:2015 Certified.
4-Hydroxy-8- (trifluoromethyl) quinoline 99+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
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4-Hydroxy-9,10-dehydro-10-methoxy ketotifen
4-Hydroxy-9,10-dehydro-10-methoxy ketotifen. Group: Biochemicals. Alternative Names: 10-Methoxy-4-(1-methyl-4-piperidinyl)-4H-benzo[4, 5]cyclohepta[1, 2-b]thiophene-4-ol. Grades: Highly Purified. CAS No. 59743-88-3. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C20H23NO2S. US Biological Life Sciences.
Worldwide
4-Hydroxy-9-cis-Retinoic Acid
4-Hydroxy-9-cis-Retinoic Acid is a metabolite of 9-cis-Retinoic acid. 9-cis-Retinoic acid is a retinoic acid isomer that mediates functions of Vitamin A via retinoic acid receptors (RAR) and regulates retinoid-responsive pathways via retinoid X receptors (RXR). Synonyms: rac 4-Hydroxy-9-cis-retinoic Acid. CAS No. 150737-17-0. Molecular formula: C20H28O3. Mole weight: 316.44.
4-Hydroxy-9-fluorenone
4-Hydroxy-9-fluorenone. Uses: Designed for use in research and industrial production. Product Category: Alcohols. CAS No. 1986-00-1. Mole weight: 196.2. Product ID: ACM1986001. Alfa Chemistry ISO 9001:2015 Certified.
4-Hydroxy-9-methyl-3,6-dimethylidene-3a,4,5,6a,7,9,9a,9b-octahydroazuleno[4,5-b]furan-2,8-dione. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Grosheimin, Grossheimin, Grosshemin, NSC295425, NSC 295425, CID99967, LS-73186, NCI60_002463, 22489-66-3, 4-beta-H-Guaia-10(14),11(13)-dien-12-oic acid, 6-alpha,8-alpha-dihydroxy-3-oxo-, 12,6-lactone, Azuleno(4,5-b)furan-2,8(3H,4H)-dione, octahydro-4-hydroxy-9-methyl-3,6-bis(methylene)-, (3aR-(3aalpha,4alpha,6aalpha,9alpha,9aalpha,9bbeta))-, 4-.beta.-H-Guaia-10(14),11(13)-dien-12-oic acid, 6-.alpha.,8-.alpha.-dihydroxy-3-oxo-,12,6-lactone. Product Category: Heterocyclic Organic Compound. CAS No. 22489-66-3. Molecular formula: C15H18O4. Mole weight: 262.301 g/mol. Purity: 0.96. IUPACName: 4-hydroxy-9-methyl-3,6-dimethylidene-3a,4,5,6a,7,9,9a,9b-octahydroazuleno[4,5-b]furan-2,8-dione. Canonical SMILES: CC1C2C(CC1=O)C(=C)CC(C3C2OC(=O)C3=C)O. Density: 1.24g/cm³. Product ID: ACM22489663. Alfa Chemistry ISO 9001:2015 Certified.
4'-Hydroxyaceclofenac
4'-Hydroxyaceclofenac. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 4'-HYDROXY ACECLOFENAC;2-[(2,6-Dichloro-4-hydroxyphenyl)amino]benzeneacetic Acid Carboxymethyl Este;2-[(2,6-Dichloro-4-hydroxyphenyl)amino]benzeneacetic Acid Carboxymethyl Ester. Product Category: Heterocyclic Organic Compound. CAS No. 229308-90-1. Molecular formula: C16H13Cl2NO5. Product ID: ACM229308901. Alfa Chemistry ISO 9001:2015 Certified.
4'-Hydroxy aceclofenac
4'-Hydroxy aceclofenac. Group: Biochemicals. Alternative Names: 2-[ (2, 6-Dichloro-4-hydroxyphenyl) amino]benzeneacetic acid carboxymethyl ester. Grades: Highly Purified. CAS No. 229308-90-1. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C16H13Cl2NO5. US Biological Life Sciences.
Worldwide
4-Hydroxy Aceclofenac
An analogue of Aceclofenac. Synonyms: 2-[(2,6-Dichloro-4-hydroxyphenyl)amino]benzeneacetic Acid Carboxymethyl Ester. Grades: > 95%. CAS No. 229308-90-1. Molecular formula: C16H13Cl2NO5. Mole weight: 370.19.
A metabolite of Aceclofenac. Group: Biochemicals. Alternative Names: 2-[ (2, 6-Dichloro-4-hydroxyphenyl) amino]benzeneacetic Acid Carboxymethyl Ester. Grades: Highly Purified. CAS No. 229308-90-1. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
4-Hydroxyacetophenone
Hydroxyacetophenone. CAS No. 99-93-4. Categories: 4'-hydroxyacetophenone.
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4-Hydroxyacetophenone
100g Pack Size. Group: Building Blocks, Organics. Formula: HOC6H4COCH3. CAS No. 99-93-4. Prepack ID 48703044-100g. Molecular Weight 136.15. See USA prepack pricing.
4-Hydroxyacetophenone
25g Pack Size. Group: Building Blocks, Organics. Formula: HOC6H4COCH3. CAS No. 99-93-4. Prepack ID 48703044-25g. Molecular Weight 136.15. See USA prepack pricing.
4-Hydroxyacetophenone
4-Hydroxyacetophenone (P-hydroxyacetophenone) is a major hepatoprotective and choleretic compound found in Artemisia and Illicium plants, exhibiting antiviral and anti-inflammatory effects against hepatitis B virus. Additionally, 4-Hydroxyacetophenone inhibits cancer cell adhesion, invasion, and migration by remodeling actin. 4-Hydroxyacetophenone holds promise for research in the fields of inflammatory diseases and cancer [1] [2]. Uses: Scientific research. Group: Natural products. Alternative Names: P-hydroxyacetophenone. CAS No. 99-93-4. Pack Sizes: 10 mM * 1 mL; 100 mg; 500 mg. Product ID: HY-Y0073.
4-Hydroxyacetophenone (P-hydroxyacetophenone) is a key hepatoprotective and choleretic compound in Artemisia capillaris and A. morrisonensis, also has an anti-hepatitis B virus effect and anti-inflammatory effect. Uses: Designed for use in research and industrial production. Additional or Alternative Names: P-Hydroxyacetophenone. Product Category: Inhibitors. Appearance: Solid. CAS No. 99-93-4. Molecular formula: C8H8O2. Mole weight: 136.15. Purity: 0.99. Canonical SMILES: CC(C1=CC=C(O)C=C1)=O. Product ID: ACM99934. Alfa Chemistry ISO 9001:2015 Certified.
4'-Hydroxyacetophenone
OtherSolid;White to off-white crystals, chips or chunks; Slight berry to sweet balsam aroma. Group: Liquid crystal (lc) building blockspolymerization reagents. Alternative Names: 4-Acetophenol. CAS No. 99-93-4. Product ID: 1-(4-Hydroxyphenyl)ethanone. Molecular formula: 136.15. Mole weight: C8H8O2. CC(=O)C1=CC=C(C=C1)O. InChI=1S/C8H8O2/c1-6 (9)7-2-4-8 (10)5-3-7/h2-5, 10H, 1H3. TXFPEBPIARQUIG-UHFFFAOYSA-N. 99%.
4'-Hydroxyacetophenone
4'-Hydroxyacetophenone. Group: Biochemicals. Grades: Highly Purified. CAS No. 99-93-4. Pack Sizes: 1g, 10g, 100g, 500g. Molecular Formula: C?H?O?. US Biological Life Sciences.
Worldwide
4-hydroxyacetophenone monooxygenase
Contains FAD. The enzyme from Pseudomonas fluorescens ACB catalyses the conversion of a wide range of acetophenone derivatives. Highest activity occurs with compounds bearing an electron-donating substituent at the para position of the aromatic ring. In the absence of substrate, the enzyme can act as an NAD(P)H oxidase (EC 1.6.3.1). Group: Enzymes. Synonyms: HAPMO. Enzyme Commission Number: EC 1.14.13.84. CAS No. 156621-13-5. 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-0892; 4-hydroxyacetophenone monooxygenase; EC 1.14.13.84; 156621-13-5; HAPMO. Cat No: EXWM-0892.
4'-Hydroxyacetophenone Oxime
4'-Hydroxyacetophenone Oxime. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1-(4-Hydroxyphenyl)ethanone Oxime; 1-(4-Hydroxyphenyl)-1-ethanone Oxime; 1-(4-Hydroxyphenyl)ethanone Oxime; NSC 77904; p-Hydroxyacetophenone Oxime. Product Category: Heterocyclic Organic Compound. Appearance: White to Off-White Solid. CAS No. 34523-34-7. Molecular formula: C8H9NO2. Mole weight: 151.16. Product ID: ACM34523347. Alfa Chemistry ISO 9001:2015 Certified.
4-Hydroxyacetophenone Oxime
Paracetamol (Acetaminophen) impurity. Group: Biochemicals. Alternative Names: 1-(4-Hydroxyphenyl)ethanone Oxime; 1-(4-Hydroxyphenyl)-1-ethanone Oxime; 1-(4-Hydroxyphenyl)ethanone Oxime; NSC 77904; p-Hydroxyacetophenone Oxime. Grades: Highly Purified. CAS No. 34523-34-7. Pack Sizes: 25mg. US Biological Life Sciences.
Worldwide
4-Hydroxy-all-trans-Retinoic Acid
4-Hydroxy-all-trans-Retinoic Acid is a metabolite of all-trans Retinoic acid. All-trans Retinoic acid is a metabolite of Vitamin A and ajusts its functions of cellular growth and differentiation. Synonyms: rac all-trans 4-Hydroxy Retinoic Acid; 4-Hydroxyretinoic Acid. CAS No. 66592-72-1. Molecular formula: C20H28O3. Mole weight: 316.44.
Intermediate for the synthesis of O-desmethylvenlafaxine. Group: Biochemicals. Grades: Highly Purified. CAS No. 918344-20-4. Pack Sizes: 100mg. US Biological Life Sciences.
4-Hydroxy-alpha-(1-hydroxycyclohexyl)benzeneacetonitrile. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-(1-hydroxycyclohexyl)-2-(4-hydroxyphenyl)acetonitrile, 918344-20-4, AGN-PC-00PW9I, SureCN3714751, CTK8E9315, AK141433, FT-0669664, 4-Hydroxy-|A-(1-hydroxycyclohexyl)benzeneacetonitrile, 4-Hydroxy-alpha-(1-hydroxycyclohexyl)benzeneacetonitrile. Product Category: Heterocyclic Organic Compound. Appearance: White Solid. CAS No. 918344-20-4. Molecular formula: C14H17NO2. Mole weight: 231.29. Purity: 0.96. IUPACName: 2-(1-hydroxycyclohexyl)-2-(4-hydroxyphenyl)acetonitrile. Canonical SMILES: C1CCC(CC1)(C(C#N)C2=CC=C(C=C2)O)O. Product ID: ACM918344204. Alfa Chemistry ISO 9001:2015 Certified.
4-Hydroxy-alpha-aminoacetophenone
4-Hydroxy-alpha-aminoacetophenone. Group: Biochemicals. Grades: Highly Purified. CAS No. 19745-72-3. Pack Sizes: 500mg, 1g, 2g, 5g. Molecular Formula: C8H9NO2·ClH. US Biological Life Sciences.
Worldwide
4-Hydroxy-α, β-diphenylbenzeneethanol
4-Hydroxy-α, β -diphenyl Benzene ethanol. Group: Biochemicals. Alternative Names: 2-(p-Hydroxyphenyl)-1,2-diphenylethanol. Grades: Highly Purified. CAS No. 94549-25-4. Pack Sizes: 50mg. Molecular Formula: C20H18O2, Molecular Weight: 290.36. US Biological Life Sciences.
Worldwide
4-Hydroxyalternariol
It is the fully demethylated tetraphenol analogue of the benzopyranone graphislactones. It is isolated as a major co-metabolite of a graphislactone A-producing fungus. Synonyms: 3,4,7,9-Tetrahydroxy-1-methyl-6H-dibenzo[b,d]pyran-6-one; 6H-Dibenzo[b,d]pyran-6-one, 3,4,7,9-tetrahydroxy-1-methyl-; Alternariol Impurity 18; 4-hydroxy AOH; 4-OH AOH. Grades: >95% by HPLC. CAS No. 959417-21-1. Molecular formula: C14H10O6. Mole weight: 274.23.
4-Hydroxyalternariol 9-methyl ether
4-Hydroxyalternariol 9-methyl ether is produced from fermentation of Alternaria sp. Samif01. It displays promising antioxidant effect. It shows antibacterial activity against several tested bacterial pathogens with minimum inhibitory concentration values in the range of 86.7-364.7 uM. Synonyms: 3'-Hydroxyalternariol 5-O-methyl ether; 6H-Dibenzo[b,d]pyran-6-one, 3,4,7-trihydroxy-9-methoxy-1-methyl-. Grades: 98.0%. CAS No. 959417-17-5. Molecular formula: C15H12O6. Mole weight: 288.25.
4-Hydroxy alverine
4-Hydroxy alverine. Group: Biochemicals. Alternative Names: 4-[3-[Ethyl (3-phenylpropyl) amino]propyl]phenol. Grades: Highly Purified. CAS No. 142047-94-7. Pack Sizes: 1mg, 2mg, 5mg, 10mg. Molecular Formula: C20H27NO. US Biological Life Sciences.
Worldwide
4-Hydroxy Alverine
A derivative of Altenuene. Synonyms: 4-[3-[Ethyl(3-phenylpropyl)amino]propyl]phenol. Grades: > 95%. CAS No. 142047-94-7. Molecular formula: C20H27NO. Mole weight: 297.44.
4-(hydroxyamino) benzoic acid
4-(hydroxyamino) benzoic acid. Uses: For analytical and research use. Group: Impurity standards. CAS No. 13252-71-6. Molecular formula: C7H7NO3. Mole weight: 153.14. Catalog: APB13252716.
4-Hydroxyamino Sulfosuccinic Acid Sodium Salt
Succinic Acid derivative. Group: Biochemicals. Alternative Names: 4-(Hydroxyamino)-4-oxo-3-sulfo-butanoic Acid Sodium Salt. Grades: Highly Purified. CAS No. 1026417-71-9. Pack Sizes: 1g. US Biological Life Sciences.
4'-Hydroxyatomoxetine is an impurity of Atomoxetine, a selective norepinephrine (NE) reuptake inhibitor for the treatment of attention-deficit hyperactivity disorder (ADHD). Uses: A metabolite of atomoxetine, a norepinephrine uptake blocker. Synonyms: Atomoxetine 4-Hydroxy Impurity; 4-Hydroxyatomoxetine; p-Hydroxy Atomoxetine; Phenol, 3-methyl-4-[(1R)-3-(methylamino)-1-phenylpropoxy]-; 3-Methyl-4-((R)-3-methylamino-1-phenyl-propoxy)-phenol. Grades: ≥90%. CAS No. 435293-66-6. Molecular formula: C17H21NO2. Mole weight: 271.35.
A metabolite of Atomoxetine, a Norepinephrine uptake blocker. Group: Biochemicals. Alternative Names: 3-Methyl-4-[(1R)-3-(methylamino)-1-phenylpropoxy]phenol; Atomoxetine 4-Hydroxy. Grades: Highly Purified. CAS No. 435293-66-6. Pack Sizes: 1mg. Molecular Formula: C??H??NO?, Molecular Weight: 271.35. US Biological Life Sciences.
4-Hydroxyatorvastatin is a hydroxylated metabolite of Atorvastatin, a selective, competitive HMG-CoA reductase inhibitor. Atorvastatin is the only drug in its class specfically indicated for lowering both elevated LDL-cholesterol and triglycerides in patients with hypercholesterolemia. Group: Biochemicals. Alternative Names: ( βR,δR)-2-(4-Fluorophenyl)- β , δ -dihydroxy-4-[[ (4-hydroxyphenyl) amino]carbonyl]-5- (1-methylethyl) -3-phenyl-1H-pyrrole-1-heptanoic Acid Calcium Salt; p-Hydroxyatorvastatin. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
4-Hydroxy atorvastatin disodium salt. Group: Biochemicals. Grades: Highly Purified. CAS No. 1276537-18-8. Pack Sizes: 1mg, 2mg, 5mg, 10mg. Molecular Formula: C33H33FN2Na2O6. US Biological Life Sciences.
Worldwide
4-Hydroxy atorvastatin hemicalcium
4-Hydroxy atorvastatin hemicalcium is a metabolite of Atorvastatin (HY-B0589). Atorvastatin is an orally active HMG-CoA reductase inhibitor, has the ability to effectively decrease blood lipids. Atorvastatin is metabolized by the cytochrome P450 (CYP) isoform CYP3A4 to form 4-hydroxy atorvastatin [1] [2]. Uses: Scientific research. Group: Signaling pathways. CAS No. 265989-44-4. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-137310.
4-Hydroxy atorvastatin lactone
4-Hydroxy atorvastatin lactone. Group: Biochemicals. Alternative Names: 5-(4-Fluorophenyl)-N-(4-hydroxyphenyl)-2-(1-methylethyl)-4-phenyl-1-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1H-pyrrole-3-carboxamide. Grades: Highly Purified. CAS No. 163217-70-7. Pack Sizes: 1mg, 2mg, 5mg, 10mg. Molecular Formula: C33H33FN2O5. US Biological Life Sciences.
Worldwide
4-Hydroxy atorvastatin lactone-d5
4-Hydroxy atorvastatin lactone-d5. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 5-(4-Fluorophenyl)-N-(4-hydroxyphenyl)-2-(1-methylethyl)-4-phenyl-1-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1H-pyrrole-3-carboxamide-d5. Product Category: Heterocyclic Organic Compound. Appearance: Off-White to Yellow Solid. CAS No. 265989-49-9. Molecular formula: C33H28D5FN2O5. Mole weight: 561.65. Product ID: ACM265989499. Alfa Chemistry ISO 9001:2015 Certified.
4'-Hydroxy Azithromycin
4'-Hydroxy Azithromycin is an azythromycin analogue with modification in the glycosylation at the C11 position. Synonyms: (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[[3,6-Dideoxy-3-(dimethylamino)-β-D-glucopyranosyl]oxy]-13-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one; 4-Hydroxy azithromycin. CAS No. 756825-20-4. Molecular formula: C38H72N2O13. Mole weight: 764.98.
4-Hydroxybaumycinol A1
4-Hydroxybaumycinol A1 is an anthracycline antibiotic produced by Actinomadura sp. D326. It has anti-tumor activity. Synonyms: Rubeomycin B; Baumycinol A1, 4-hydroxy-; Antibiotic FA 1180B. CAS No. 78919-31-0. Molecular formula: C33H43NO13. Mole weight: 661.70.
4-Hydroxybaumycinol A2
4-Hydroxybaumycinol A2 is an anthracycline antibiotic produced by Actinomadura sp. D326. It has anti-tumor activity. Synonyms: Rubeomycin B1. CAS No. 78962-31-9. Molecular formula: C33H43NO13. Mole weight: 661.70.
4-Hydroxybenzaldehyde
4-Hydroxybenzaldehyde maintains bactericidal activity when tested against certain bacteria strains. It also displays antioxidant potential when analyzed through assay. Group: Biochemicals. Grades: Highly Purified. CAS No. 123-08-0. Pack Sizes: 10g, 50g, 100g, 250g, 500g. Molecular Formula: C?H?O?, Molecular Weight: 122.12. US Biological Life Sciences.
Worldwide
4-Hydroxybenzaldehyde
500g Pack Size. Group: Building Blocks, Organics. Formula: C7H6O2. CAS No. 123-08-0. Prepack ID 10174308-500g. Molecular Weight 122.12. See USA prepack pricing.
4-Hydroxybenzaldehyde
analytical standard. Group: Flavor and fragrance standardsimpurity standardspharmaceutical toxicology. Alternative Names: Bisoprolol Imp. S (EP), Bisoprolol Fumarate Imp. S (EP),4-Hydroxybenzaldehyde.
4-Hydroxy-benzaldehyde [7-13C]
4-Hydroxy-benzaldehyde [7-13C]. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
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4-Hydroxybenzaldehyde 99+% (GC)
4-Hydroxybenzaldehyde 99+% (GC). Group: Biochemicals. Grades: GC. Pack Sizes: 100g, 250g, 1Kg, 2.5Kg, 10Kg. US Biological Life Sciences.