A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
3- (4-Ethyl-1H-imidazol-1-yl) -5- (trifluoromethyl) aniline is an impurity of Nilotinib (N465300), a tyrosine kinase inhibitor and an anticancer agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 25mg. Molecular Formula: C12H12F3N3, Molecular Weight: 255.24. US Biological Life Sciences.
3,4-Ethylenedioxyaniline 99+% (GC). Group: Biochemicals. Grades: GC. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
3, 4-Ethylene dioxybenzaldehyde
3, 4-Ethylene dioxybenzaldehyde. Group: Biochemicals. Alternative Names: 1,4-Benzodioxane-6-carboxaldehyde; 6-Formyl-1,4-benzodioxane. Grades: Highly Purified. CAS No. 29668-44-8. Pack Sizes: 1g, 2g, 5g, 10g, 25g. US Biological Life Sciences.
Worldwide
3,4-Ethylenedioxybenzoic Acid
3,4-Ethylenedioxybenzoic Acid is used in the preparation of new anti-inflammatory compounds containing the 1,4-benzodioxine system. Group: Biochemicals. Alternative Names: 1,4-Benzodioxan-6-carboxylic Acid (6CI,7CI,8CI); 1,4-Benzodioxane-6-carboxylic Acid; 2, 3-Dihydrobenzo[1, 4]dioxin-6-carboxylic Acid; 2, 3-Dihydrobenzo[1, 4]dioxine-6-carboxylic Acid; 2,3-Dihydrobenzo[b][1,4]-dioxin-6-carboxylic Acid; 2, 3-Dihydrobenzo[b][1, 4]dioxine-6-carboxylic Acid. Grades: Highly Purified. CAS No. 4442-54-0. Pack Sizes: 5g. US Biological Life Sciences.
Worldwide
3,4-(ETHYLENEDIOXY)PHENYLMAGNESIUM BROMIDE
3,4-(ETHYLENEDIOXY)PHENYLMAGNESIUM BROMIDE. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3,4-(ETHYLENEDIOXY)PHENYLMAGNESIUM BROMIDE. Product Category: Heterocyclic Organic Compound. CAS No. 107549-16-6. Molecular formula: C8H7BrMgO2. Mole weight: 239.35. Purity: 0.96. IUPACName: magnesium;3,6-dihydro-2H-1,4-benzodioxin-6-ide;bromide. Canonical SMILES: C1COC2=C[C-]=CC=C2O1.[Mg+2].[Br-]. Product ID: ACM107549166. Alfa Chemistry ISO 9001:2015 Certified.
3,4-Ethylenedioxythiophene (EDOT) is an electro-active conductive monomer with a thiol group that combines an electron donor and electron acceptor in a donor-acceptor-donor arrangement. Monomer used in the synthesis of conducting polymers. Uses: Edot can be polymerized to form poly(3,4-ethylenedioxythiophene) (pedot) for use as an electrochromic polymer (ec) based coating for a variety of s like solid state organic electrochemical supercapacitors (oescs), electrochromic devices (ecds), and carbon nanotubes (cnts) based electrochemical devices for diabetes monitoring. it can be used: as a reductant in a one-pot synthesis of gold nanoparticles from haucl4 (254169). as a starting material used in palladium-catalyzed mono- and bis-arylation reactions. in the synthesis of conjugated polymers and copolymers, with potential optical s. Group: Electroluminescence materials synthetic tools and reagents polymers. Alternative Names: EDOT. CAS No. 126213-50-1. Pack Sizes: Packaging 10 g in glass bottle. Product ID: 2,3-Dihydrothieno[3,4-b][1,4]dioxine. Molecular formula: 142.18. Mole weight: C6H6O2S. C1COC2=CSC=C2O1. InChI=1S/C6H6O2S/c1-2-8-6-4-9-3-5 (6)7-1/h3-4H, 1-2H2. GKWLILHTTGWKLQ-UHFFFAOYSA-N. 95%+.
3,4-Ethylenedioxythiophene-2-carboxaldehyde. Group: Small molecule semiconductor building blockssemiconductor blocks. CAS No. 204905-77-1. Product ID: 2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde. Molecular formula: 170.19g/mol. Mole weight: C7H6O3S. C1COC2=C(SC=C2O1)C=O. InChI=1S/C7H6O3S/c8-3-6-7-5 (4-11-6)9-1-2-10-7/h3-4H, 1-2H2. GNVXYRDVJKJZTO-UHFFFAOYSA-N.
3,4-Ethylenedioxythiophene 99+% (GC)
3,4-Ethylenedioxythiophene 99+% (GC). Group: Biochemicals. Grades: GC. CAS No. 126213-50-1. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
3,4-ethylenedithiothiophene
3,4-ethylenedithiothiophene
Sarchem Laboratories New Jersey NJ
3,4-Ethylenedithiothiophene
3,4-Ethylenedithiothiophene. CAS No: 158962-92-6
Sarchem Laboratories New Jersey NJ
3-(4-Ethylphenyl)-2,2-dimethylpropanal
3-(4-Ethylphenyl)-2,2-dimethylpropanal is an odorant used in antiperspirants. Group: Biochemicals. Grades: Highly Purified. CAS No. 67634-15-5. Pack Sizes: 5g, 25g. Molecular Formula: C13H18O, Molecular Weight: 190.28. US Biological Life Sciences.
Worldwide
3-(4-Ethyl-phenyl)-propan-1-ol
3-(4-Ethyl-phenyl)-propan-1-ol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3-(4-ETHYL-PHENYL)-PROPAN-1-OL. Product Category: Heterocyclic Organic Compound. CAS No. 180274-13-9. Molecular formula: C11H16O. Mole weight: 164.24414. Product ID: ACM180274139. Alfa Chemistry ISO 9001:2015 Certified. Categories: 3-(4-ethylphenyl)propan-1-ol.
3-(4-Ethyl-phenyl)-propionaldehyde
3-(4-Ethyl-phenyl)-propionaldehyde. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3-(4-ETHYL-PHENYL)-PROPIONALDEHYDE. Product Category: Heterocyclic Organic Compound. CAS No. 104175-15-7. Molecular formula: C11H14O. Mole weight: 162.22826. Product ID: ACM104175157. Alfa Chemistry ISO 9001:2015 Certified. Categories: 3-(4-ethylphenyl)propanal.
3-(4-ethynylpiperidin-1-yl)propanoic acid
3-(4-ethynylpiperidin-1-yl)propanoic acid. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. CAS No. 2027830-68-6. Molecular formula: C10H15NO2. Mole weight: 181.2316. Purity: >99%. Product ID: PR2027830686. Alfa Chemistry ISO 9001:2015 Certified.
3-(4-fluoro-1-oxo-2,3-dihydro-1H-isoindol-2-yl)piperidine-2,6-dione. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Lenalidomide-F. Product Category: E3 Ligase Ligand. CAS No. 2359705-88-5. Molecular formula: C13H11FN2O3. Mole weight: 262.2365. Purity: 0.95. IUPACName: 3-(7-fluoro-3-oxo-1H-isoindol-2-yl)piperidine-2,6-dione. Product ID: PR2359705885. Alfa Chemistry ISO 9001:2015 Certified. Categories: 3-(4-Fluoro-1-oxoisoindolin-2-yl)piperidine-2,6-dione.
3- (4-Fluoro-2-methoxyphenyl) phenylacetic acid
3- (4-Fluoro-2-methoxyphenyl) phenylacetic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 1345472-33-4. Pack Sizes: 100mg, 250mg. Molecular Formula: C15H13FO3, Molecular Weight: 260.26. US Biological Life Sciences.
Worldwide
3-(4-Fluoro-2-methyl-benzyl)-piperidine
3-(4-Fluoro-2-methyl-benzyl)-piperidine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3-(4-Fluoro-2-methyl-benzyl)-piperidine, 955315-13-6, AGN-PC-01A9CS, SureCN3468391, CTK5H7823, AKOS012086517, AG-H-93006, 3-[(4-fluoro-2-methylphenyl)methyl]piperidine. Product Category: Heterocyclic Organic Compound. CAS No. 955315-13-6. Molecular formula: C13H18FN. Mole weight: 207.29. Purity: 0.96. IUPACName: 3-[(4-fluoro-2-methylphenyl)methyl]piperidine. Canonical SMILES: CC1=C(C=CC(=C1)F)CC2CCCNC2. Density: 1.029g/cm³. Product ID: ACM955315136. Alfa Chemistry ISO 9001:2015 Certified.
3-(4-Fluoro-2-methylphenyl)benzoic acid
3-(4-Fluoro-2-methylphenyl)benzoic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 874133-65-0. Pack Sizes: 100mg, 250mg. Molecular Formula: C14H11ClO2, Molecular Weight: 246.69. US Biological Life Sciences.
Worldwide
3- (4-Fluoro-2-nitrophenoxy) phenylboronic Acid
3- (4-Fluoro-2-nitrophenoxy) phenylboronic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 1072945-96-0. Pack Sizes: 100mg, 250mg. Molecular Formula: C12H9BFNO5, Molecular Weight: 277.01. US Biological Life Sciences.
Worldwide
3-(4-Fluoro-3-methoxyphenyl)-5-nitrobenzoic acid
3-(4-Fluoro-3-methoxyphenyl)-5-nitrobenzoic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 1261967-46-7. Pack Sizes: 100mg, 250mg. Molecular Formula: C14H10FNO5, Molecular Weight: 291.23. US Biological Life Sciences.
Worldwide
3-(4-Fluoro-3-methoxyphenyl)aniline, HCl
3-(4-Fluoro-3-methoxyphenyl)aniline, HCl. Group: Biochemicals. Grades: Highly Purified. CAS No. 1373233-05-6. Pack Sizes: 100mg, 250mg. Molecular Formula: C13H13ClFNO, Molecular Weight: 253.7. US Biological Life Sciences.
Worldwide
3- (4-Fluoro-3-methoxyphenyl) benzonitrile
3- (4-Fluoro-3-methoxyphenyl) benzonitrile. Group: Biochemicals. Grades: Highly Purified. CAS No. 1365271-56-2. Pack Sizes: 100mg, 250mg. Molecular Formula: C14H10FNO, Molecular Weight: 227.23. US Biological Life Sciences.
Worldwide
3-(4-Fluoro-3-methoxyphenyl)phenol
3-(4-Fluoro-3-methoxyphenyl)phenol. Group: Biochemicals. Grades: Highly Purified. CAS No. 1261957-92-9. Pack Sizes: 100mg, 250mg. Molecular Formula: C13H11FO2, Molecular Weight: 218.22. US Biological Life Sciences.
Worldwide
3-(4-Fluoro-3-methylphenyl)-1-propene
3-(4-Fluoro-3-methylphenyl)-1-propene. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 5-allyl-2-fluorotoluene, 3-(4-Fluoro-3-methylphenyl)-1-propene, 842124-27-0, 1-fluoro-2-methyl-4-prop-2-enylbenzene, AC1MBZHS, CTK5F1997, 4-allyl-1-fluoro-2-methylbenzene, PC8387, SBB086722, AKOS006345473, AG-H-36367, 3-(4-Fluoro-3-methylphenyl)prop-1-ene, KB-178109, KB-196566, 1-fluoro-2-methyl-4-(prop-2-en-1-yl)benzene. Product Category: Heterocyclic Organic Compound. CAS No. 842124-27-0. Molecular formula: C10H11F. Mole weight: 150.2. Purity: 0.96. IUPACName: 1-fluoro-2-methyl-4-prop-2-enylbenzene. Canonical SMILES: CC1=C(C=CC(=C1)CC=C)F. Density: 0.973g/cm³. Product ID: ACM842124270. Alfa Chemistry ISO 9001:2015 Certified.
3-(4-Fluoro-3-methylphenyl)benzoic acid
3-(4-Fluoro-3-methylphenyl)benzoic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 885964-26-1. Pack Sizes: 100mg, 250mg. Molecular Formula: C14H11FO2, Molecular Weight: 230.23. US Biological Life Sciences.
Worldwide
3- (4-fluoro-3-methylphenyl) phenylacetic acid
3- (4-fluoro-3-methylphenyl) phenylacetic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 1352318-21-8. Pack Sizes: 100mg, 250mg. Molecular Formula: C15H13FO2, Molecular Weight: 244.26. US Biological Life Sciences.
3-[4-Fluoro-3- (trifluoromethyl) phenyl]benzonitrile. Group: Biochemicals. Grades: Highly Purified. CAS No. 1032506-84-5. Pack Sizes: 25mg, 50mg. Molecular Formula: C14H7F4N, Molecular Weight: 265.209999999999. US Biological Life Sciences.
Worldwide
3- (4-Fluoro-3-trifluoromethylphenyl) phenol
3- (4-Fluoro-3-trifluoromethylphenyl) phenol. Group: Biochemicals. Grades: Highly Purified. CAS No. 1261889-86-4. Pack Sizes: 100mg, 250mg. Molecular Formula: C13H8F4O, Molecular Weight: 256.2. US Biological Life Sciences.
Worldwide
3-(4-Fluoroanilino)-1-(3-nitrophenyl)-1-propanone
3-(4-Fluoroanilino)-1-(3-nitrophenyl)-1-propanone. Uses: Designed for use in research and industrial production. Additional or Alternative Names: SALOR-INT L250058-1EA;3-(4-FLUOROANILINO)-1-(3-NITROPHENYL)-1-PROPANONE. Product Category: Heterocyclic Organic Compound. CAS No. 350039-84-8. Molecular formula: C15H13FN2O3. Mole weight: 288.27. Product ID: ACM350039848. Alfa Chemistry ISO 9001:2015 Certified.
3-(4-Fluoroanilino)-1-(4-methylphenyl)-1-propanone. Uses: Designed for use in research and industrial production. Additional or Alternative Names: SALOR-INT L233161-1EA;3-(4-FLUOROANILINO)-1-(4-METHYLPHENYL)-1-PROPANONE. Product Category: Heterocyclic Organic Compound. CAS No. 477320-49-3. Molecular formula: C16H16FNO. Mole weight: 257.3. Product ID: ACM477320493. Alfa Chemistry ISO 9001:2015 Certified.
3- (4-Fluorobenzoyl) propionic acid
3- (4-Fluorobenzoyl) propionic acid. Group: Biochemicals. Grades: Reagent Grade. CAS No. 366-77-8. Pack Sizes: 5g, 25g, 100g, 250g. US Biological Life Sciences.
Worldwide
3-(4-Fluorobenzoyl)propionic acid
3-(4-Fluorobenzoyl)propionic acid. Uses: Designed for use in research and industrial production. Product Category: Amines. CAS No. 366-77-8. Molecular formula: C11H8N2S. Mole weight: 196.18. Product ID: ACM366778. Alfa Chemistry ISO 9001:2015 Certified.
3-(4-Fluoro-benzyloxy)-benzoic acid
3-(4-Fluoro-benzyloxy)-benzoic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 457-97-6. Pack Sizes: 100mg, 250mg. Molecular Formula: C14H11FO3, Molecular Weight: 246.23. US Biological Life Sciences.
Worldwide
3-(4-Fluorobenzyloxy)phenylacetic acid
3-(4-Fluorobenzyloxy)phenylacetic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: ST50407796, 3-(4-FLUOROBENZYLOXY)PHENYLACETIC ACID, 3-[(4-FLUOROBENZYL)OXY]PHENYLACETIC ACID, 125721-49-5, ACMC-20apdv, SureCN5090803, AGN-PC-00J29W, AC1Q74X3, CTK7J2393, AKOS005939365, AG-B-02877, MCULE-2859969375, KB-234419, [3-(4-Fluoro-Benzyl-Oxy)-Phenyl]-Acetic Acid, 2-{3-[(4-fluorophenyl)methoxy]phenyl}acetic acid, Benzeneacetic acid, 3-[(4-fluorophenyl)methoxy]-. Product Category: Heterocyclic Organic Compound. CAS No. 125721-49-5. Molecular formula: MFCD08061097. Mole weight: 260.27. Purity: 0.96. IUPACName: 2-[3-[(4-fluorophenyl)methoxy]phenyl]acetic acid. Canonical SMILES: C1=CC(=CC(=C1)OCC2=CC=C(C=C2)F)CC(=O)O. Density: 1.265g/cm³. Product ID: ACM125721495. Alfa Chemistry ISO 9001:2015 Certified.
3-((4-Fluorophenethyl)amino)-1-methyl-4-(2-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dione acts as an enhancer of Wnt signalling, involved in cell proliferation or differentiation, via inhibition of glycogen synthase kinase 3 beta (GSK-3 β). Group: Biochemicals. Grades: Highly Purified. CAS No. 1129669-05-1. Pack Sizes: 10mg, 50 mg. Molecular Formula: C22H20FN3O2, Molecular Weight: 377.41. US Biological Life Sciences.
Worldwide
3-(4-Fluorophenoxy)Benzoic Acid
3-(4-Fluorophenoxy)Benzoic Acid. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences.
Worldwide
3-(4-Fluorophenoxy)Benzoic Acid 99+% (HPLC)
3-(4-Fluorophenoxy)Benzoic Acid 99+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g, 5g. US Biological Life Sciences.
Worldwide
3- (4-Fluorophenoxy) Benzylamine Hydrochloride
3- (4-Fluorophenoxy) Benzylamine Hydrochloride. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences.
3- (4-Fluorophenoxy) Piperidine Hydrochloride ≥97% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g. US Biological Life Sciences.
Worldwide
3-(4-Fluorophenoxy)propan-1-amine
3-(4-Fluorophenoxy)propan-1-amine is a reagent used in the synthesis of 6-aryl-1,6-dihydro-1,3,5-triazine-2,4-diamines as antiplasmodial antifolates against both drug sensitive and drug resistant strains of P. falciparum. Group: Biochemicals. Grades: Highly Purified. CAS No. 116753-54-9. Pack Sizes: 100mg, 250mg. Molecular Formula: C9H12FNO, Molecular Weight: 169.2. US Biological Life Sciences.
Worldwide
3- (4-Fluorophenoxy) propanenitrile
3- (4-Fluorophenoxy) propanenitrile. Group: Biochemicals. Grades: Highly Purified. CAS No. 85169-02-4. Pack Sizes: 2g, 5g, 10g, 25g, 50g. Molecular Formula: C9H8FNO. US Biological Life Sciences.
Worldwide
3- (4-Fluorophenoxy) propanenitrile ≥97% (GC)
3- (4-Fluorophenoxy) propanenitrile ≥97% (GC). Group: Biochemicals. Grades: GC. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
3- (4-Fluorophenoxy) propionic acid
3- (4-Fluorophenoxy) propionic acid. Group: Biochemicals. Alternative Names: 3- (4-Fluorophenoxy) propanoic acid. Grades: Highly Purified. CAS No. 1579-78-8. Pack Sizes: 5g, 10g, 25g, 50g, 100g. US Biological Life Sciences.
Worldwide
3-(4-Fluorophenoxy)propionic acid
3-(4-Fluorophenoxy)propionic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-(4-fluorophenoxy)propanoic acid, 2-(4-Fluoro-phenoxy)-propionic acid, 2-(4-Fluorophenoxy)propionic acid, F3310-0294, 2967-70-6, AC1MZGJB, BAS 09615126, AC1Q2C0Z, 4-fluorophenoxypropionic acid, ARONIS011763, SCHEMBL3081885, 2-p-Fluorophenoxypropionic Acid, CTK6A3455, MolPort-000-889-519, WIVLMXDHGGRLMP-UHFFFAOYSA-N, 2-(p-Fluorophenoxy)propionic acid, HMS1698H15, PHD-Q05-01, 60251-90-3, ALBB-000257. Product Category: Heterocyclic Organic Compound. CAS No. 2967-70-6. Molecular formula: C9H9FO3. Mole weight: 184.17. Purity: 0.96. IUPACName: 2-(4-fluorophenoxy)propanoic acid. Canonical SMILES: CC(C(=O)O)OC1=CC=C(C=C1)F. Product ID: ACM2967706. Alfa Chemistry ISO 9001:2015 Certified.
3-(4-Fluorophenoxy)pyrrolidine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3-(4-FLUOROPHENOXY)PYRROLIDINE. Product Category: Heterocyclic Organic Compound. CAS No. 524045-02-1. Molecular formula: C10H12FNO. Mole weight: 181.2067832. Product ID: ACM524045021. Alfa Chemistry ISO 9001:2015 Certified.
3- (4-Fluorophenoxy) pyrrolidine HCl
3- (4-Fluorophenoxy) pyrrolidine HCl. Group: Biochemicals. Grades: Highly Purified. CAS No. 23123-11-7. Pack Sizes: 25mg, 50mg. Molecular Formula: C10H13ClFNO, Molecular Weight: 217.67. US Biological Life Sciences.
Worldwide
3-(4-Fluorophenyl)-1,2,4-oxadiazole
3-(4-Fluorophenyl)-1,2,4-oxadiazole. Group: Biochemicals. Grades: Highly Purified. CAS No. 887763-94-2. Pack Sizes: 100mg, 250mg. Molecular Formula: C8H5FN2O, Molecular Weight: 164.14. US Biological Life Sciences.
3-(4-Fluorophenyl)-1-(4-methylphenyl)-1H-pyrazol-5-amine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 5-AMINO-3-(4-FLUOROPHENYL)-N-(4-METHYLBENZENE)-1H-PYRAZOLE;3-(4-FLUOROPHENYL)-1-P-TOLYL-1H-PYRAZOL-5-AMINE;3-(4-FLUOROPHENYL)-1-(4-METHYLPHENYL)-1H-PYRAZOL-5-AMINE;SALOR-INT L318175-1EA. Product Category: Heterocyclic Organic Compound. CAS No. 618092-86-7. Molecular formula: C16H14FN3. Mole weight: 267.3. Product ID: ACM618092867. Alfa Chemistry ISO 9001:2015 Certified.
3-(4-Fluorophenyl)-1H-indole
3-(4-Fluorophenyl)-1H-indole is a reagent used in the synthesis indole based sigma receptor ligands. Also used in the preparation of Fluvastatin (F601250), a synthetic HMG-CoA reductase inhibitor. Antilipemic. Group: Biochemicals. Grades: Highly Purified. CAS No. 101125-32-0. Pack Sizes: 2.5g, 5g. Molecular Formula: C14H10FN. US Biological Life Sciences.
Worldwide
3-(4-Fluorophenyl)-1H-pyrazole-4-carboxaldehyde
3-(4-Fluorophenyl)-1H-pyrazole-4-carboxaldehyde. Group: Biochemicals. Grades: Highly Purified. CAS No. 306936-57-2. Pack Sizes: 500mg, 1g, 2g, 5g. US Biological Life Sciences.