A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
Istradefylline M8-d3,13C. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C1913CH21D3N4O5, Molecular Weight: 404.44. US Biological Life Sciences.
Worldwide
Istradefylline (Standard)
Istradefylline (Standard) is the analytical standard of Istradefylline. This product is intended for research and analytical applications. Istradefylline is a very potent, selective and orally active adenosine A2A receptor antagonist with K i of 2.2 nM in experimental models of Parkinson's disease. Uses: Scientific research. Group: Signaling pathways. CAS No. 155270-99-8. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-10888R.
ISX-3
ISX-3 is a potent anti-adipogenic and pro-osteogenic agent. ISX-3 increases the expression of PPAR&gamma. ISX-3 has the potential for the research of osteopenia and osteoporosis [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 912789-08-3. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-148694.
ISX 9
ISX 9. Group: Biochemicals. Grades: Purified. CAS No. 832115-62-5. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
Worldwide
ISX-9
ISX-9 (Isoxazole 9) is a potent inducer of adult neural stem cell differentiation. ISX-9 activates Ca 2+ influx through both voltage-gated Ca 2+ channels and NMDA receptors and increases neuroD expression. ISX-9 also induces cardiomyogenic differentiation of Notch-activated epicardium-derived cells (NECs) [1] [2] [3]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: Isoxazole 9. CAS No. 832115-62-5. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-12323.
IT-143-A
IT-143-A is produced by the strain of Streptomyces sp.IT-143. It has activity against individual gram-positive bacteria (Micrococcus gaminerae) and individual fungi (Aspergillus fumigatus). And it is also cytotoxic to KB cells. Synonyms: IT-143A. Molecular formula: C29H43NO4. Mole weight: 469.65.
IT-143-B
IT-143-B is produced by the strain of Streptomyces sp.IT-143. It has activity against individual gram-positive bacteria (Micrococcus gaminerae) and individual fungi (Aspergillus fumigatus). And it is also cytotoxic to KB cells. Synonyms: IT-143B. Grade: ≥95%. CAS No. 183485-34-9. Molecular formula: C28H41NO4. Mole weight: 455.63.
IT1t dihydrochloride
IT1t dihydrochloride. Group: Biochemicals. Grades: Purified. CAS No. 1092776-63-0. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
Worldwide
IT1t dihydrochloride
IT1t dihydrochloride is a potent CXCR4 antagonist; inhibits CXCL12/CXCR4 interaction with an IC 50 of 2.1 nM. Uses: Scientific research. Group: Signaling pathways. CAS No. 1092776-63-0. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-101458A.
IT-62-B
IT-62-B is originally isolated from Streptomyces sp. IT-62. It had moderate anti-Gram-positive bacteria activity (MIC 6.25-12.5 μg/mL), and anti-L1210, P388, adriamycin-resistant P388 and KB tumor cells activity. Molecular formula: C39H47NO15. Mole weight: 769.79.
IT-901
IT-901 is an orally active and potent NF-?B subunit c-Rel inhibitor with an IC50 of 0.1 ?M, 3 ?M for NF-?B DNA binding and c-Rel DNA binding, respectively. IT-901, a bioactive naphthalenethiobarbiturate derivative, has the potential for human lymphoid tumors and ameliorate graft-versus-host disease (GVHD)[1][2]. Uses: Scientific research. Group: Signaling pathways. CAS No. 1584121-99-2. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-124179.
I-TAC (CXCL11) from mouse
recombinant, expressed in E. coli, ?98% (SDS-PAGE), ?98% (HPLC), suitable for cell culture. Group: Fluorescence/luminescence spectroscopy.
Itacitinib
Itacitinib (INCB039110) is an orally active and selective inhibitor of JAK1 with an IC 50 of 2 nM for human JAK1. Itacitinib shows >20-fold selectivity for JAK1 over JAK2 and >100-fold over JAK3 and TYK2; Itacitinib is used in the research of myelofibrosis [1] [2]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: INCB039110. CAS No. 1334298-90-6. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-16997.
Itacitinib adipate
Itacitinib adipate is an orally bioavailable and selective JAK1 inhibitor which has been tested for efficacy and safety in a phase II trial in myelofibrosis. Uses: Scientific research. Group: Signaling pathways. CAS No. 1334302-63-4. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-16997A.
Itaconate-alkyne
Itaconate-alkyne (ITalk) is a specific bioorthogonal probe for quantitative and site-specific chemoproteomic profiling of Itaconation in living cells. Itaconate-alkyne, a functional analogue of Itaconate, exhibits comparable antiinflammatory effect with Itaconate and enables the labeling of bona fide targets of Itaconate[1]. Itaconate-alkyne is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups. Uses: Scientific research. Group: Signaling pathways. Alternative Names: ITalk. CAS No. 2454181-83-8. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-133870.
Itaconic acid
Inhibitor of isocitrate lyase, the key enzyme of the glyoxylate cycle, essential for bacterial growth. Antimicrobial. Antibacterial. Inhibits the growth of bacteria expressing isocitrate lyase. Phosphofructokinase (PFKII) inhibitor. Suppresses glycolysis by decreasing the level of fructose 2,6-bisphosphate, resulting in decreased visceral fat. Might be involved in the regulation of metabolism. Group: Biochemicals. Alternative Names: 2-Methylenebutanedioic Acid; Methylenesuccinic Acid; 2-Methylenebutanedioic Acid; 2-Methylenesuccinic Acid; 2-Propene-1,2-dicarboxylic Acid; 4-Hydroxy-2-methylene-4-oxobutanoic Acid; Methylenebutanedioic Acid; NSC 3357; Propylenedicarboxylic Acid. Grades: Highly Purified. CAS No. 97-65-4. Pack Sizes: 1g, 5g. Molecular Formula: C?H?O?. US Biological Life Sciences.
Worldwide
Itaconic acid
1kg Pack Size. Group: Organics. Formula: C5H6O4. CAS No. 97-65-4. Prepack ID 10565984-1kg. Molecular Weight 130.1. See USA prepack pricing.
Itaconic acid
Itaconic acid, a precursor of polymers, chemicals, and fuels, can be synthesized by many fungi. Itaconic acid also is a macrophage-specific metabolite. Itaconic acid mediates crosstalk between macrophage metabolism and peritoneal tumors. Itaconic acid has anti-inflammatory, anti-microbial and immunomodulatory effect [1] [2] [4] [5]. Uses: Scientific research. Group: Natural products. Alternative Names: Methylenesuccinic acid. CAS No. 97-65-4. Pack Sizes: 10 mM * 1 mL; 100 mg. Product ID: HY-Y0520.
Itaconic acid
analytical standard. Group: Natural compounds.
Itaconic Acid
Itaconic Acid. CAS No. 97-65-4. Molecular formula: C5H6O4.
Itaconic Acid
Itaconic Acid. We stock inventory in warehouses throughout the United States, allowing us to serve customers in all regions in a timely and cost effective manner.
California
Itaconic Acid 97-65-4
Itaconic Acid - Surface Coatings. SUPPLIERS TO BUSINESS CUSTOMERS ONLY.
Itaconic acid,magnesium salt. Uses: Designed for use in research and industrial production. Additional or Alternative Names: ITACONIC ACID, MAGNESIUM SALT;Magnesium Itaconate. Product Category: Heterocyclic Organic Compound. CAS No. 69064-18-2. Molecular formula: C5H4MgO4. Mole weight: 152.39. Product ID: ACM69064182. Alfa Chemistry ISO 9001:2015 Certified.
Itaconic anhydride. Group: Biochemicals. Alternative Names: 3,4-Dihydro-3-methylene-2,5-furandione; Methylenesuccinic anhydride. Grades: Highly Purified. CAS No. 2170-3-8. Pack Sizes: 100g, 250g, 500g, 1kg, 2kg. Molecular Formula: C5H4O3. US Biological Life Sciences.
Worldwide
Itaconic anhydride
100g Pack Size. Group: Building Blocks, Organics. Formula: C5H4O3. CAS No. 2170-3-8. Prepack ID 89996186-100g. Molecular Weight 112.08. See USA prepack pricing.
Itaconic Anhydride
Itaconic anhydride (ITA) is a biobased material that is obtained from renewable resources. It is produced from the pyrolysis of citric acid or by fermenting carbohydrates which forms itanoic acid. Itanoic acid can be dehydrated to form an anhydride. It is relatively more reactive that maleic anhydride and can be used as an alternating monomer that facilitates the introduction of polar functionalities in polymers. Uses: Ita can be copolymerized with methacrylate terminated poly(lactic acid) (pla) for potential usage in packaging and biomedical s. it can also facilitate the production of reactive polyesters which can be used as starting materials in telechelics, cross-linking agents and macromonomers. Additional or Alternative Names: 3-methyleneoxolane-2,5-dione; 3-methylideneoxolane-2,5-dione. Product Category: Polymer/MacromoleculeAnhydride Monomers. Appearance: White to Cream Crystalline Powder. CAS No. 2170-3-8. Molecular formula: C5H4O3. Mole weight: 112.08 g/mol. Purity: 0.97. Canonical SMILES: C=C1CC(=O)OC1=O. ECNumber: 218-518-2. Product ID: ACM-MO-2170038. Alfa Chemistry ISO 9001:2015 Certified.
Itaconic Anhydride 2170-03-8
Itaconic Anhydride - Surface Coatings. SUPPLIERS TO BUSINESS CUSTOMERS ONLY.
North America & APAC
itaconyl-CoA hydratase
This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. This enzyme participates in c5-branched dibasic acid metabolism. Group: Enzymes. Synonyms: itaconyl coenzyme A hydratase; citramalyl-CoA hydro-lyase. Enzyme Commission Number: EC 4.2.1.56. CAS No. 37290-83-8. 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-5045; itaconyl-CoA hydratase; EC 4.2.1.56; 37290-83-8; itaconyl coenzyme A hydratase; citramalyl-CoA hydro-lyase. Cat No: EXWM-5045.
ITD 1
ITD 1. Group: Biochemicals. Grades: Purified. CAS No. 1099644-42-4. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
Worldwide
ITD-1
ITD-1 is the first selective TGF? receptor inhibitor with an IC50 of 460 nM. Uses: Scientific research. Group: Signaling pathways. CAS No. 1099644-42-4. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-12704.
ITE
ITE is a potent endogenous agonist of aryl hydrocarbon receptor ( AhR ), binding directly to AHR , with a K i of 3 nM. ITE also has immunosuppressive activity. Uses: Scientific research. Group: Signaling pathways. CAS No. 448906-42-1. Pack Sizes: 10 mM * 1 mL; 1 mg; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-19317.
Itepekimab
Itepekimab (REGN-3500) is an IgG4 monoclonal antibody against IL-33. Itepekimab reduced airway inflammation and related tissue damage in preliminary clinical studies. Itepekimab has potential effects in asthma, chronic obstructive pulmonary disease (COPD), and atopic dermatitis (AD) [1] [2] [3] [4]. Uses: Scientific research. Group: Inhibitory antibodies. Alternative Names: REGN-3500; SAR-440340. CAS No. 2226742-52-3. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-P99673.
ITI-214 is a potent, CNS-active, orally bioavailable PDE1 inhibitor ( K i of 58 pM) with excellent selectivity against other PDE family members and against a panel of enzymes, receptors, transporters and ion channels. ITI-214 inhibits recombinant full-length human PDE1A, PDE1B and PDE1C with K i s of 33 pM, 380 pM and 35 pM, respectively. ITI-214 shows efficacy in various animal models of motor and cognitive functions [1] [2]. Uses: Scientific research. Group: Signaling pathways. CAS No. 1642303-38-5. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg. Product ID: HY-12501A.
ITIC-4F is an indacenodithienothiophene (IDTT)-based postfullerene electron acceptor. ITIC-4F has broad applicability in high-efficiency binary and ternary single-junction as well as tandem polymer solar cells (PSCs) [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 2097998-59-7. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-125831.
30 nm (SEM). Group: Nanoparticles: oxides, nitrides, and other ceramics.
ITO Coated Glass
ITO Coated Glass. Group: Ito-coated glass.
ITO Coated Glass Plates
ITO Coated Glass Plates. Group: Ito-coated glass.
ITO Coated Glass Slides For LCD
ITO Coated Glass Slides For LCD. Group: Ito-coated glass.
ITO Coated Glass Substrate
ITO Coated Glass Substrate. Group: Ito-coated glass.
Itol A
Itol A is a natural diterpenoid found in the herbs of Geranium wilfordii. Synonyms: 20-Deoxyitol B. Grade: >98%. CAS No. 1033747-78-2. Molecular formula: C20H32O6. Mole weight: 368.5.
Itolizumab
Itolizumab (Anti-Human CD6 Recombinant Antibody) is a humanized recombinant anti-CD6 monoclonal antibody (MAb) targeting the extracellular SRCR distal domain 1 of CD6. Itolizumab reduces T-cell proliferation and inhibits the production of pro-inflammatory cytokines, such as INF-γ, TNFα and IL-6. Itolizumab can be used in the research of psoriasis, rheumatoid arthritis (RA), COVID-19 [1] [2] [3]. Uses: Scientific research. Group: Inhibitory antibodies. Alternative Names: Anti-Human CD6 Recombinant Antibody. CAS No. 1116433-11-4. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-P99252.
Itopride-[d6] Hydrochloride
Itopride-[d6] Hydrochloride is the labelled analogue of Itopride. Itopride is a Dopamine D2 receptor antagonist with anticholinesterase activity used as a gastroprokinetic. Synonyms: Itopride D6 Hydrochloride; N-[[4-[2-(Dimethylamino-d6)ethoxy]phenyl]methyl]-3,4-dimethoxy Benzamide Hydrochloride. Grade: 95% by HPLC; 95% atom D. CAS No. 1346601-02-2. Molecular formula: C20H21D6ClN2O4. Mole weight: 400.93.
Itopride hydrochloride
Itopride hydrochloride. Group: Biochemicals. Alternative Names: N-[[4-[2- (Dimethylamino) ethoxy]phenyl]methyl]-3, 4-dimethoxy benzamide hydrochloride; HSR-803; HC-803. Grades: Highly Purified. CAS No. 122892-31-3. Pack Sizes: 1kg, 2kg, 5kg, 10kg, 25kg. Molecular Formula: C20H27ClN2O4. US Biological Life Sciences.
Worldwide
Itopride hydrochloride
Itopride (HSR803) hydrochloride is a potent dopamine-2 antagonist and an acetylcholine esterase (AChE) inhibitor. Itopride hydrochloride enhances gastric motility through both antidopaminergic and anti-acetylcholinesterasic actions, can be used as a gastrointestinal prokinetic agent. Itopride can be used for researching gastro-esophageal reflux disease (GERD) [1] [2]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: HSR803. CAS No. 122892-31-3. Pack Sizes: 10 mM * 1 mL; 100 mg; 500 mg; 1 g; 5 g. Product ID: HY-B0732.
Dopamine D2-receptor antagonist with anticholinesterase activity. Gastroprokinetic. Group: Biochemicals. Alternative Names: N-[[4-[2- (Dimethylamino) ethoxy]phenyl]methyl]-3, 4-dimethoxy Benzamide Hydrochloride; HSR-803; HC-803; Itax; Ganaton. Grades: Highly Purified. CAS No. 122892-31-3. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
Itopride N-Oxide
2-(4-((3, 4-Dimethoxybenzamido)methyl)phenoxy)-N, N-dimethylethan-1-amine oxide is a biological molecule. Uses: Scientific research. Group: Signaling pathways. CAS No. 141996-98-7. Pack Sizes: 1 mg. Product ID: HY-W701323.
Itopride N-Oxide
A metabolite of Itopride. Group: Biochemicals. Alternative Names: N-[[4-[2- (Dimethyloxidoamino) ethoxy]phenyl]methyl]-3, 4-dimethoxybenzamide. Grades: Highly Purified. CAS No. 141996-98-7. Pack Sizes: 2.5mg. US Biological Life Sciences.
Worldwide
Itraconazole
1g Pack Size. Group: Bioactive Small Molecules, Biochemicals, Research Organics & Inorganics. Formula: C35H38Cl2N8O4. CAS No. 84625-61-6. Prepack ID 45052670-1g. Molecular Weight 705.63. See USA prepack pricing.
Itraconazole
Itraconazole (R51211) is a triazole antifungal agent and a potent and orally active Hedgehog (Hh) signaling pathway antagonist with an IC 50 of ~800 nM. Itraconazole potently inhibits lanosterol 14α-demethylase ( cytochrome P450 enzyme ), thereby inhibits the oxidative conversion of lanosterol to ergosterol. Itraconazole has anticancer and antiangiogenic effects. Itraconazole is a oxysterol-binding protein ( OSBP ) inhibitor [1] [2] [3] [4]. Uses: Scientific research. Group: Natural products. Alternative Names: R51211. CAS No. 84625-61-6. Pack Sizes: 100 mg; 500 mg. Product ID: HY-17514.
Itraconazole
5g Pack Size. Group: Bioactive Small Molecules, Biochemicals, Research Organics & Inorganics. Formula: C35H38Cl2N8O4. CAS No. 84625-61-6. Prepack ID 45052670-5g. Molecular Weight 705.63. See USA prepack pricing.
United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardspharma & vet compounds & metabolitespharma & vet compounds & metabolitesapi standardsbritish pharmacopoeiacovid-19 research and reference materialseuropean pharmacopoeia (ph. eur.)pharmaceutical toxicologypharmacopoeial standards. Alternative Names: Candistat, Spherazole CR, Sporanox, R 51211, Orungal, Itralek, Oriconazole, cis-Itraconazole, Orungamin, Itrac, Spherazole IR, Itrizole, Sporonox,Itraconazole, 3H-1,2,4-Triazol-3-one, 4-[4-[4-[4-[[(2R,4S)-2-(2,4-dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-2,4-dihydro-2-(1-methylpropyl)-, rel-, Traconal, 4-[4-[4-[4-[[(2R,4S)-2-(2,4-dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-2,4-dihydro-2-(1-methylpropyl)-, rel-, rel-4-[4-[4-[4-[[(2R,4S)-2-(2,4-Dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-2,4-dihydro-2-(1-methylpropyl)-3H-1,2,4-triazol-3-one, Sporamelt, Canditral, Triasporin, Sempera, SUBA Itraconazole, Sporal, Cladosal 100, Sporanox IV.
Itraconazole
Itraconazole (R51211) is a triazole antifungal agent and a potent and orally active Hedgehog (Hh) signaling pathway antagonist with an IC50 of ~800 nM. Itraconazole potently inhibits lanosterol 14α-demethylase (cytochrome P450 enzyme), thereby inhibits the oxidative conversion of lanosterol to ergosterol. Itraconazole has anticancer and antiangiogenic effects. Itraconazole is a oxysterol-binding protein (OSBP) inhibitor. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 3H-1,2,4-Triazol-3-one, 4-(4-(4-(4-((2-(2,4-dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl)methoxy)phenyl)-1-piperazinyl)phenyl)-2,4-dihydro-2-(1-methylpropyl)-;(+-)-1-sec-Butyl-4-(p-(4-(p-(((2R*,4S*)-2-(2,4-dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl)methoxy)phenyl)-1-piperazinyl)phenyl)-delta(sup 2)-1,2,4-triazolin-5-one. Product Category: Inhibitors. Appearance: Off-white crystalline solid. CAS No. 84625-61-6. Molecular formula: C35H38Cl2N8O4. Mole weight: 705.63. Purity: 0.9981. Canonical SMILES: ClC1=C(C=CC(Cl)=C1)[C@@]2(O[C@@H](COC3=CC=C(N4CCN(C5=CC=C(N(C=NN6C(C)CC)C6=O)C=C5)CC4)C=C3)CO2)CN7C=NC=N7. Density: 1.4 g/cm³. ECNumber: 283-347-2. Product ID: ACM84625616. Alfa Chemistry ISO 9001:2015 Certified.
Itraconazole-[d3]
Itraconazole-[d3] is the labelled analogue of Itraconazole, an orally active antimycotic structurally related to Ketoconazole. It has antifungal activity. It is a COVID-19-related research product. Synonyms: Itraconazole D3; (+/-)-4-[4-[4-[4-[[(2R,4S)-(2,4-Dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-2,4-dihydro-2-(1-methyl-d3-propyl)-3H-1,2,4-triazol-3-one; Itrizole-d3; Oriconazole-d3; Sporamelt-d3; Sporanox-d3; Triasporin-d3; Itraconazole-d3. Grade: 98%. CAS No. 1217512-35-0. Molecular formula: C35H35D3Cl2N8O4. Mole weight: 708.67.
Itraconazole-[d4]
Itraconazole-[d4] is the labelled analogue of Itraconazole, an orally active antimycotic structurally related to Ketoconazole. Antifungal. It is a COVID-19-related research product. Synonyms: Sporanox D4. Grade: 98% by CP; 98% atom D. Molecular formula: C35H34D4Cl2N8O4. Mole weight: 709.66.
Itraconazole-d5
An isotopically labeled, orally active antimycotic structurally related to Ketoconazole. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.