A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
25g Pack Size. Group: Biochemicals, Research Organics & Inorganics. Formula: C5H4N4O. CAS No. 68-94-0. Prepack ID 46877163-25g. Molecular Weight 136.11. See USA prepack pricing.
Hypoxanthine
Hypoxanthine, a purine derivative, is a potential free radical generator and could be used as an indicator of hypoxia. Uses: Scientific research. Group: Natural products. Alternative Names: Purin-6-ol; Sarcine. CAS No. 68-94-0. Pack Sizes: 10 mM * 1 mL; 50 mg; 100 mg. Product ID: HY-N0091.
Hypoxanthine-13c2,15N
Heterocyclic Organic Compound. Alternative Names: 1,9-Dihydro-. CAS No. 1246820-04-1. Molecular formula: C313C2H4N315NO. Mole weight: 139.09. Appearance: White Solid. Catalog: ACM1246820041.
Hypoxanthine-13C2,15N
A metabolite of Purine in cocaine addiction. Group: Biochemicals. Alternative Names: 1,9-Dihydro-. Grades: Highly Purified. CAS No. 1246820-04-1. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
Hypoxanthine (6-Hydroxypurine)
Hypoxanthine is a nutrient additive for a variety of cell culture applications involving bacterial, parasite (Plasmodium falciparum) and animal cells. Hypoxanthine is a component of selection media used in hybridoma technologies. Group: Biochemicals. Alternative Names: 1,9-Dihydro-6H-purin-6-one; 3H-Purin-6-ol; 6-Hydroxy-1H-purine; 6-Hydroxypurine; 6-Oxopurine; Hypoxanthine enol; NSC 129419; NSC 14665; Purin-6-ol; Sarcine; Sarkin; Sarkine; USP Didanosine Related Compound A. Grades: Highly Purified. CAS No. 68-94-0. Pack Sizes: 25g, 50g, 100g, 250g, 500g. Molecular Formula: C5H4N4O, Molecular Weight: 136.11. US Biological Life Sciences.
Worldwide
Hypoxanthine 99+% (HPLC) (6-Hydroxypurine)
Hypoxanthine 99+% (HPLC) (6-Hydroxypurine). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 5g, 25g, 100g, 250g, 1Kg. US Biological Life Sciences.
Worldwide
Hypoxanthine-guanine phosphoribosyltransferase from Human, Recombinant
HGPRT is a highly active enzyme that catalyzes the reversible transfer of the 5-phosphoribosyl group between α-D-5-phosphoribosyl-1-pyrophosphate (PRPP) and a purine base (hypoxanthine or guanine) to form a purine nucleotide IMP or GMP. The enzyme has been characterized for its affinity for natural substrates and velocity in forward and reverse directions. Group: Enzymes. Synonyms: Hypoxanthine phosphoribosyltransferase; HGPRTase; HPRT; Hypoxanthine-guanine phosphoribosyltransferase; HGPRT; EC 2.4.2.8. Enzyme Commission Number: EC 2.4.2.8. CAS No. 9016-12-0. HGPRT. Mole weight: 25kDa. Activity: > 1 Unit/mg protein. Storage: HPRT enzyme is provided in lyophilized form and should be stored at -20°C. Source: E. coli. Species: Human. Hypoxanthine phosphoribosyltransferase; HGPRTase; HPRT; Hypoxanthine-guanine phosphoribosyltransferase; HGPRT; EC 2.4.2.8. Cat No: NATE-1166.
Guanine and 6-mercaptopurine can replace hypoxanthine. Group: Enzymes. Synonyms: IMP pyrophosphorylase; transphosphoribosidase; hypoxanthine-guanine phosphoribosyltransferase; guanine phosphoribosyltransferase; GPRT; HPRT; guanosine 5'-phosphate pyrophosphorylase; IMP-GMP pyrophosphorylase; HGPRTase; 6-hydroxypurine phosphoribosyltransferase; 6-mercaptopurine phosphoribosyltransferas. Enzyme Commission Number: EC 2.4.2.8. CAS No. 9016-12-0. HGPRT. 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-2691; hypoxanthine phosphoribosyltransferase; EC 2.4.2.8; 9016-12-0; IMP pyrophosphorylase; transphosphoribosidase; hypoxanthine-guanine phosphoribosyltransferase; guanine phosphoribosyltransferase; GPRT; HPRT; guanosine 5'-phosphate pyrophosphorylase; IMP-GMP pyrophosphorylase; HGPRTase; 6-hydroxypurine phosphoribosyltransferase; 6-mercaptopurine phosphoribosyltransferase; GMP pyrophosphorylase; guanine-hypoxanthine phosphoribosyltransferase; guanosine phosphoribosyltransferase; guanylate pyrophosphorylase; guanylic pyrophosphorylase; inosinate pyrophosphorylase; inosine 5'-phosphate pyrophosphorylase; inosinic acid pyrophosphorylase; inosinic pyrophosphorylase; 6-mercaptopurine phosphoribosyltransferase; purine-6-thiol phosphoribosyltransferase. Cat No: EXWM-2691.
hypoxia-inducible factor-asparagine dioxygenase
Contains iron, and requires ascorbate. Catalyses hydroxylation of an asparagine in the C-terminal transcriptional activation domain of HIF-α, the α subunit of the transcriptional regulator HIF (hypoxia-inducible factor), which reduces its interaction with the transcriptional coactivator protein p300. The requirement of oxygen for the hydroxylation reaction enables animals to respond to hypoxia. Group: Enzymes. Synonyms: HIF hydroxylase. Enzyme Commission Number: EC 1.14.11.30. 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-0648; hypoxia-inducible factor-asparagine dioxygenase; EC 1.14.11.30; HIF hydroxylase. Cat No: EXWM-0648.
hypoxia-inducible factor-proline dioxygenase
Contains iron, and requires ascorbate. Specifically hydroxylates a proline residue in HIF-α, the α subunit of the transcriptional regulator HIF (hypoxia-inducible factor), which targets HIF for proteasomal destruction.The requirement of oxygen for the hydroxylation reaction enables animals to respond to hypoxia. Group: Enzymes. Synonyms: HIF hydroxylase. Enzyme Commission Number: EC 1.14.11.29. 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-0646; hypoxia-inducible factor-proline dioxygenase; EC 1.14.11.29; HIF hydroxylase. Cat No: EXWM-0646.
Hypromellose
Hypromellose.
CA, FL & NJ
Hypromellose
Hypromellose. Synonyms: Benecel MHPC; E464; hydroxypropyl methylcellulose; HPMC; hypromellosum; Methocel; methylcellulose propylene glycol ether; methyl hydroxypropylcellulose; Metolose; MHPC; Pharmacoat; Tylopur; Tylose MO. CAS No. 9004-65-3. Product ID: PE-0206. Category: Bioadhesive Material; Coating Agents; Controlled-release Agents; dispersing Agents; Emulsifying Agents; Emulsion Stabilizer; extended-release Agents; Film-forming Agents; foaming Agents; Granulation Aid; modified-release Agents; mucoadhesive. Product Keywords: Coating Systems Excipients; Emulsifier Excipients; Suspending Agents; ; PE-0206; Hypromellose; Bioadhesive Material; Coating Agents; Controlled-release Agents; dispersing Agents; Emulsifying Agents; Emulsion Stabilizer; extended-release Agents; Film-forming Agents; foaming Agents; Granulation Aid; modified-release Agents; mucoadhesive; 9004-65-3. UNII: B1QE5P712K. Chemical Name: Cellulose hydroxypropyl methyl ether. Grade: Pharmceutical Excipients. Administration route: Ophthalmic and nasal; oral. Dosage Form: Ophthalmic and nasal preparations; oral capsules, suspensions, syrups, and tablets. Stability and Storage Conditions: Hypromellose powder is a stable material, although it is hygroscopic after drying. Solutions are stable at pH 3-11. Hypromellose undergoes a reversible sol-gel transformation upon heating and cooling, respectively. The gelation temperature is 50-90°C, depending upon the g
Hypromellose
Hypromellose. Group: Polysaccharide. CAS No. 9004-65-3. Pack Sizes: 25 kg.
Hypromellose(100cps)
Hypromellose is an odorless and tasteless, white or creamy-white fibrous or granular powder. Synonyms: Benecel MHPC; E469; hydroxypropyl methylcellulose; HPMC; hypromellosum; Methocel; methylcellulose propylene glycol ether; methyl hydroxypropylcellulose; Metolose; MHPC; Pharmacoat; Tylopur; Tylose MO. CAS No. 9004-65-3. Product ID: PE-0455. Molecular formula: C8H15O8-(C10H18O6 ) n- C8H15O8. Mole weight: 10000-1500000. Category: Binder Excipients. Product Keywords: Pharmaceutical Excipients; Excipients for Solid Dosage Form; Hypromellose(100cps); Binder Excipients; Binder Excipients; C8H15O8-(C10H18O6 ) n- C8H15O8; 9004-65-3; 9004-65-3. UNII: 3NXW29V3WO. Chemical Name: Cellulose hydroxypropyl methyl ether. Grade: Pharmceutical Excipients. Administration route: Oral. Dosage Form: Ophthalmic and nasal preparations; oral capsules, uspensions, syrups, and tablets; topical and vaginal preparations. Stability and Storage Conditions: Hypromellose powder is a stable material, although it is hygroscopic after drying. Solutions are stable at pH 3-11. Hypromellose undergoes a reversible sol-gel transformation upon heating and cooling, respectively. The gelation temperature is 50-90°C, depending upon the grade and concentration of material. For temperatures below the gelation temperature, viscosity of the solution decreases as temperature is increased. Beyond the gelation temperature, viscosity increases as temperature is
Hypromellose(15000cps)
Hypromellose(15000cps). Synonyms: Cellulosehydroxypropyl methyl ether; HPMC; methyl hydroxypropylcellulose; hydroxypropyl ; methylcellulose propylene glycol ether. CAS No. 9004-65-3. Product ID: PE-0640. Molecular formula: C8H15O8-(C10H18O6 ) n- C8H15O8. Category: Thickening Agents; Suspending Agents; Gel Agents. Product Keywords: Excipients for Liquid Dosage Form; Suspending Agents; PE-0640; Hypromellose(15000cps); Thickening Agents; Suspending Agents; Gel Agents; C8H15O8-(C10H18O6 ) n- C8H15O8; 9004-65-3. UNII: 3NXW29V3WO. Chemical Name: Cellulose, 2-hydroxypropyl methyl ether. Grade: Pharmceutical Excipients. Administration route: Eye drops and oral. Dosage Form: Ophthalmic preparations, oral capsules, suspensions, syrups and tablets; Topical and vaginal preparations. Stability and Storage Conditions: Hydroxypropyl methylene cellulose after drying moisture absorption, but the property is stable. The solution is stable at pH 3 ~ 11. The viscosity of solution decreases as temperature increases. Heating - cooling can make the reversible transformation of hydroxypropyl methylene cellulose from solution to gel state. Depending on different grades and concentrations, the gelation temperature is 50 ~ 90°C. The aqueous solution of hydroxypropyl methylcellulose has anti-enzyme effect and maintains good viscosity stability during long-term storage. However, its aqueous solution is susceptible to microbial attack, so
Hypromellose60 RT50
Hypromellose is an odorless and tasteless, white or creamy-white fibrous or granular powder. Synonyms: Benecel MHPC; E466; hydroxypropyl methylcellulose; HPMC; hypromellosum; Methocel; methylcellulose propylene glycol ether; methyl hydroxypropylcellulose; Metolose; MHPC; Pharmacoat; Tylopur; Tylose MO. CAS No. 9004-65-3. Product ID: PE-0452. Molecular formula: C8H15O8-(C10H18O6 ) n- C8H15O8. Mole weight: 10000-1500000. Category: Binder Excipients. Product Keywords: Pharmaceutical Excipients; Excipients for Solid Dosage Form; Hypromellose60 RT50; Binder Excipients; Binder Excipients; C8H15O8-(C10H18O6 ) n- C8H15O8; 9004-65-3; 9004-65-3. UNII: 3NXW29V3WO. Chemical Name: Cellulose hydroxypropyl methyl ether. Grade: Pharmceutical Excipients. Administration route: Oral. Dosage Form: Ophthalmic and nasal preparations; oral capsules, uspensions, syrups, and tablets; topical and vaginal preparations. Stability and Storage Conditions: Hypromellose powder is a stable material, although it is hygroscopic after drying. Solutions are stable at pH 3-11. Hypromellose undergoes a reversible sol-gel transformation upon heating and cooling, respectively. The gelation temperature is 50-90°C, depending upon the grade and concentration of material. For temperatures below the gelation temperature, viscosity of the solution decreases as temperature is increased. Beyond the gelation temperature, viscosity increases as temperature is in
Hypromellose Acetate Succinate
Hypromellose acetate succinate is a white to off-white powder or granules. It has a faint acetic acid-like odor and a barely detectable taste. Hypromellose acetate succinate is available in several grades, according to the pH at which the polymer dissolves (low, L; medium, M; and high, H) and its predominant particle size (cohesive fine powder, F; or free-flowing granules, G). Synonyms: Aqoat; Aqoat AS-HF/HG; Aqoat AS-LF/LG; Aqoat AS-MF/MG; cellulose, 2-hydroxypropyl methyl ether, acetate succinate; HPMCAS. CAS No. 71138-97-1. Product ID: PE-0594. Category: Controlled-release Agents; Coating Agents; Film-forming Agents; Sustained-release Agents. Product Keywords: Excipients for Liquid Dosage Form; Solubilizer Excipients; PE-0594; Hypromellose Acetate Succinate; Controlled-release Agents; Coating Agents; Film-forming Agents; Sustained-release Agents; ; 71138-97-1. UNII: NA. Chemical Name: Cellulose, 2-hydroxypropylmethyl ether, acetate hydrogen butanedioate. Grade: Pharmceutical Excipients. Administration route: Oral. Dosage Form: Capsules, and delayed-action preparations. Stability and Storage Conditions: Hypromellose acetate succinate should be stored in a well-closed container, in a cool, dry place. In such storage conditions, hypromellose acetate succinate is a stable material. Hypromellose acetate succinate is hygroscopic. It is hydrolyzed to acetic acid and succinic acid, and the hypromellose po
Hypromellose Acetate Succinate USP
Hypromellose Acetate Succinate USP. CAS No. 71138-97-1. Molecular formula: C10H22O9.
Hypromellose BP/USP
Hypromellose BP/USP. CAS No. 9004-65-3.
Hypromellose E50
Hypromellose is an odorless and tasteless, white or creamy-white fibrous or granular powder. Synonyms: Benecel MHPC; E467; hydroxypropyl methylcellulose; HPMC; hypromellosum; Methocel; methylcellulose propylene glycol ether; methyl hydroxypropylcellulose; Metolose; MHPC; Pharmacoat; Tylopur; Tylose MO. CAS No. 9004-65-3. Product ID: PE-0453. Molecular formula: C8H15O8-(C10H18O6 ) n- C8H15O8. Mole weight: 10000-1500000. Category: Binder Excipients. Product Keywords: Pharmaceutical Excipients; Excipients for Solid Dosage Form; Hypromellose E50; Binder Excipients; Binder Excipients; C8H15O8-(C10H18O6 ) n- C8H15O8; 9004-65-3; 9004-65-3. UNII: 3NXW29V3WO. Chemical Name: Cellulose hydroxypropyl methyl ether. Grade: Pharmceutical Excipients. Administration route: Oral. Dosage Form: Ophthalmic and nasal preparations; oral capsules, uspensions, syrups, and tablets; topical and vaginal preparations. Stability and Storage Conditions: Hypromellose powder is a stable material, although it is hygroscopic after drying. Solutions are stable at pH 3-11. Hypromellose undergoes a reversible sol-gel transformation upon heating and cooling, respectively. The gelation temperature is 50-90°C, depending upon the grade and concentration of material. For temperatures below the gelation temperature, viscosity of the solution decreases as temperature is increased. Beyond the gelation temperature, viscosity increases as temperature is increase
Hypromellose K100
Hypromellose is an odorless and tasteless, white or creamy-white fibrous or granular powder. Synonyms: Benecel MHPC; E468; hydroxypropyl methylcellulose; HPMC; hypromellosum; Methocel; methylcellulose propylene glycol ether; methyl hydroxypropylcellulose; Metolose; MHPC; Pharmacoat; Tylopur; Tylose MO. CAS No. 9004-65-3. Product ID: PE-0454. Molecular formula: C8H15O8-(C10H18O6 ) n- C8H15O8. Mole weight: 10000-1500000. Category: Binder Excipients. Product Keywords: Pharmaceutical Excipients; Excipients for Solid Dosage Form; Hypromellose K100; Binder Excipients; Binder Excipients; C8H15O8-(C10H18O6 ) n- C8H15O8; 9004-65-3; 9004-65-3. UNII: 3NXW29V3WO. Chemical Name: Cellulose hydroxypropyl methyl ether. Grade: Pharmceutical Excipients. Administration route: Oral. Dosage Form: Ophthalmic and nasal preparations; oral capsules, uspensions, syrups, and tablets; topical and vaginal preparations. Stability and Storage Conditions: Hypromellose powder is a stable material, although it is hygroscopic after drying. Solutions are stable at pH 3-11. Hypromellose undergoes a reversible sol-gel transformation upon heating and cooling, respectively. The gelation temperature is 50-90°C, depending upon the grade and concentration of material. For temperatures below the gelation temperature, viscosity of the solution decreases as temperature is increased. Beyond the gelation temperature, viscosity increases as temperature is increa
Hypromellose K100M
Hypromellose K100M. Synonyms: Cellulosehydroxypropyl methyl ether; HPMC; methyl hydroxypropylcellulose; hydroxypropyl ; methylcellulose propylene glycol ether. CAS No. 9004-65-3. Product ID: PE-0538. Molecular formula: C8H15O8-(C10H18O6)n-C8H15O8. Mole weight: 10 000~1 500 000. Category: Thickener; Stabilizer; Emulsifier; Gelling Agents; Suspension Agents. Product Keywords: Stabilizers; Emulsifier Excipients; PE-0538; Hypromellose K100M; Thickener; Stabilizer; Emulsifier; Gelling Agents; Suspension Agents; C8H15O8-(C10H18O6)n-C8H15O8; 9004-65-3. UNII: 3NXW29V3WO. Grade: Pharmceutical Excipients. Administration route: Ophthalmic, oral; Topical and vaginal. Dosage Form: Ophthalmic preparations, oral capsules, suspensions, syrups and tablets; Topical and vaginal preparations. Stability and Storage Conditions: Hydroxypropyl methylene cellulose after drying moisture absorption, but the property is stable. The solution is stable at pH 3 ~ 11. The viscosity of solution decreases as temperature increases. Heating - cooling can make the reversible transformation of hydroxypropyl methylene cellulose from solution to gel state. Depending on different grades and concentrations, the gelation temperature is 50 ~ 90°C. The aqueous solution of hydroxypropyl methylcellulose has anti-enzyme effect and maintains good viscosity stability during long-term storage. However, its aqueous solution is susceptible to microbial attack, so p
Hypromellose phthalate
United States Pharmacopeia (USP) Reference Standard. Uses: For analytical and research use. Group: Pharmacopeia & metrological institutes standards; european pharmacopoeia (ph. eur.); pharmacopoeial standards. Alternative Names: Hypromellose phthalate, HP 55S, HP 5, HP 5 (cellulose derivative), HP 55, HP 50, HPMCP HP 55S, Hydroxypropyl methylcelluose phthalate, HP 50 (cellulose derivative), HP 55UF, HPMCP-HP 55, HP 50F, HPMCP 55, Cellulose methyl 2-hydroxypropyl ether hydrogen phthalate ester, HPMCP-HP 50, HP 55F, Hydroxypropyl methyl cellulose phthalate, Hypromellose Phthalate, Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether, HPMCP, Cellulose phthalate hydroxypropyl methyl ether, Hydroxypropylmethylcellulose hydrogen phthalate, 2-Hydroxypropyl methyl cellulose phthalate. CAS No. 9050-31-1. Pack Sizes: 100MG. Catalog: APS9050311. Format: Neat. Shipping: Room Temperature.
Hyssonarin. Uses: For analytical and research use. Group: Impurity standards. CAS No. 3215-70-1. Molecular Formula: C22H32N2O6. Mole Weight: 420.51. Catalog: APB3215701.
Hyssop Extract
Extract obtained from the flowering shrub hyssop (Agastache Mexicana) dissolved in a base of glycerin and water. Hyssop is rich in antioxidants including hesperetin, apigenin, salvigenin, kaempferol, and quercetin. Uses: Anti-aging serums, creams & lotions, anti-blemish skin treatments, sebum regulation treatments. Group: Skin actives. CAS No. 56-81-5 / 7732-18-5 / 84603-66-7 / 122-99-6. Appearance: Light to medium amber clear liquid with characteristic anise-like odor. Catalog: CI-SC-0671.
Hyst A
Hyst A is an antibacterial peptide isolated from Hybanthus stellarioides. Synonyms: Cys-Gly-Glu-Thr-Cys-Ile-Trp-Gly-Arg-Cys-Tyr-Ser-Glu-Asn-Ile-Gly-Cys-His-Cys-Gly-Phe-Gly-Ile-Cys-Thr-Leu-Asn.
Hythiemoside B
Hythiemoside B is found in Siegesbeckia orientalis. Synonyms: Hythiemoside B; 853267-90-0; HY-N8150; CS-0140208E87124. Grades: > 95%. CAS No. 853267-90-0. Molecular formula: C28H46O9. Mole weight: 526.66.
Hyve A
Hyve A is an antibacterial peptide isolated from Hybanthus vernonii. Synonyms: Cys-Gly-Glu-Thr-Cys-Leu-Phe-Ile-Pro-Cys-Leu-Thr-Ser-Val-Phe-Gly-Cys-Ser-Cys-Lys-Asn-Arg-Gly-Cys-Tyr-Lys-Ile.
HZ1
Anticancer agent 241 (HZ1) is an orally active first-in-class cyclin-dependent kinase like 3 (CDKL3) -specific inhibitor. Anticancer agent 241 shows a strong tumor-suppressing effect, and has the potential to overcome the resistance of CDK4/6 inhibitor [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 3030492-40-8. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg. Product ID: HY-161847.
HZ-1157
HZ-1157 is an inhibitor of hepatitis C virus (HCV) nonstructural protein 3/4A (NS3/4A) protease. Synonyms: HZ-1157; HZ 1157; HZ1157. Dengue Virus Inhibitor II; 5-tert-butoxyquinazoline-2,4-diamine; 5-(tert-Butoxy)quinazoline-2,4-diamine; 2,4-Quinazolinediamine, 5-(1,1-dimethylethoxy)-. Grades: 98.75%. CAS No. 1009734-33-1. Molecular formula: C12H16N4O. Mole weight: 232.287.
HZ52
HZ52 is a novel reversible inhibitor of 5-lipoxygenase, blocking leukotriene synthesis with an IC50 value of 0.7 μM in intact human polymorphonuclear leukocytes. HZ52 was shown to prevent carrageenan-induced pleurisy accompanied by reduced LTB(4) levels and protected mice (10 mg·kg?¹, i.p.) against PAF-induced shock. Synonyms: HZ-52; HZ 52; 2-[4-Chloro-6-(4-phenylanilino)pyrimidin-2-yl]sulfanyloctanoic acid. Grades: ≥98%. CAS No. 1077626-51-7. Molecular formula: C24H26ClN3O2S. Mole weight: 456.
HZ-52
A potent, reversible inhibitor of 5-lipoxygenase, blocking leukotriene synthesis with an IC50 value of 0.7 μM in intact human polymorphonuclear leukocytes. It also attenuates leukotriene B4 synthesis, prevents carrageenan-induced pleurisy, and protects against platelet-activating factor-induced shock in mice when given intraperitoneally. Group: Biochemicals. Alternative Names: 2- [ [4- ( [1, 1'-biphenyl] -4-ylamino) -6-chloro-2-pyrimidinyl] thio] octanoic Acid; HZ 52. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.