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| Product | Description | |
|---|---|---|
| Stearyl methacrylate (technical grade) | Stearyl methacrylate (technical grade). Uses: Designed for use in research and industrial production. Additional or Alternative Names: Octadecyl methacrylate. Product Category: Promotional Products. CAS No. 32360-05-7. Purity: contains MEHQ as inhibitor 95-150 ppm. Product ID: ACM32360057-4. Alfa Chemistry ISO 9001:2015 Certified. |  |
| Stearyl myristoleate | Stearyl myristoleate. Uses: Designed for use in research and industrial production. Product Category: Wax Esters. CAS No. 2016777-50-5. Molecular formula: C32H62O2. Mole weight: 478.83. Purity: 99%+. Product ID: ACM2016777505. Alfa Chemistry ISO 9001:2015 Certified. | |
| Stearyl Octaarginine Trifluoroacetate | Stearyl Octaarginine provides higher internalization of plasmid DNA into cells. Stearyl Octaargininecan completely condense the DNA into stable complexes that can be highly adsorbed to the cell surface and thus highly internalized. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 25mg. Molecular Formula: C66H133N33O9 xC2HF3O2. US Biological Life Sciences. |  Worldwide |
| Stearyl palmitate | ?99%. Group: Fluorescence/luminescence spectroscopy. |  |
| Stearyl Palmitate | Pure vegetable ester derived from stearyl alcohol & methyl palmitate. Melting point 57oC (135oF). HLB value 10. Uses: Color cosmetics (incl. lipsticks), hair care, lotions, creams, moisturizers, cleansers, bath oils & scrubs, deodorant sticks, sunscreens. Additional or Alternative Names: Palmitic Acid Stearyl Ester. Product Category: Wax Esters. Appearance: White-yellowish pellets, faint odor. CAS No. 2598-99-4. Molecular formula: C34H68O2. Mole weight: 508.9. Purity: 99%+. IUPACName: Octadecyl hexadecanoate. Canonical SMILES: CCCCCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCC. Density: 0.857±0.06g/ml. Product ID: ACM2598994. Alfa Chemistry ISO 9001:2015 Certified. | |
| Stearyl Phosphoramidite | Stearyl Phosphoramidite, a pivotal chemical compound in oligonucleotide synthesis, has a reputation for stability and compatibility with everyday solvents. A must-have reagent in the production of nucleic acid derivatives, Stearyl Phosphoramidite is essential in targeted cancer therapies and genetic disease treatments with the added benefit of enhancing drug pharmacokinetics and biocompatibility. Synonyms: Octadecyl-1-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite. Molecular formula: C27H55N2O2P. Mole weight: 470.71. |  |
| Stearyl Stearamide | Stearyl Stearamide. Uses: Designed for use in research and industrial production. Additional or Alternative Names: N-octadecylstearamide. Appearance: Solid. CAS No. 13276-08-9. Molecular formula: C36H73NO. Mole weight: 535.97. Product ID: ACM13276089. Alfa Chemistry ISO 9001:2015 Certified. Categories: N-octadecyloctadecanamide. | |
| Stearyl stearate | 100g Pack Size. Group: Biochemicals, Building Blocks, Organics. Formula: C36H72O2. CAS No. 2778-96-3. Prepack ID 90027556-100g. Molecular Weight 536.96. See USA prepack pricing. |  |
| Stearyl Stearate | Acts as a versatile emollient and emulsifier. Improves the consistency and thickening in creams, lotions as well as in decorative applications. Ideal substitute for natural spermaceti. Also acts as a stiffening agent in stick applications. Works also as opacifier and pearlizer. Saponification value 101-111. Uses: Emulsions for skin and hair care products. Additional or Alternative Names: Octadecanoic acid, octadecyl ester;Octadecyl stearate. Product Category: Heterocyclic Organic CompoundWax Esters. Appearance: White waxy flakes. CAS No. 2778-96-3. Molecular formula: C36H72O2. Mole weight: 536.96. Purity: 99%+. IUPACName: Octadecyl octadecanoate. Canonical SMILES: CCCCCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCCCC. Density: 0.857±0.06g/ml. ECNumber: 220-476-5. Product ID: ACM2778963. Alfa Chemistry ISO 9001:2015 Certified. | |
| STED Fluorescent Nanobeads | STED Fluorescent Nanobeads. Group: Compounds nanoparticles. |  |
| Steel Shot, Laboratory Grade, 500 g | Characteristics: Metallic gray color. Storage Code: Green; general chemical storage. Grades: chem-grade laboratory. Product ID: 892620. -- SOLD FOR EDUCATIONAL USE ONLY -- |  |
| Steel shot, non-spherical, 0.25mm (0.0098in) dia | Steel shot, non-spherical, 0.25mm (0.0098in) dia. Group: Alloys. | |
| Steel shot, non-spherical, 0.5mm (0.02in) dia | Steel shot, non-spherical, 0.5mm (0.02in) dia. Group: Alloys. | |
| Steel shot, non-spherical, 1mm (0.039in) dia | Steel shot, non-spherical, 1mm (0.039in) dia. Group: Alloys. | |
| Steffimycin | Steffimycin is an anthracycline antibiotic produced by Str. steffisburgensis var. steffisburgensis NRRL 3193. Activity against Gram-positive bacteria and fungi. Synonyms: Steffimycin A. Grades: >98%. CAS No. 11033-34-4. Molecular formula: C28H30O13. Mole weight: 574.53. | |
| Steffimycin B | Steffimycin B is an anthracycline antibiotic produced by Str. steffisburgensis var. steffisburgensis NRRL 3193. Activity against gram-positive bacteria. Synonyms: 1,6,11(2H)-Naphthacenetrione, 4-((6-deoxy-2,4-di-O-methyl-alpha-L-mannopyranosyl)oxy)-3,4-dihydro-2,5,7-trihydroxy-3,9-dimethoxy-2-methyl-. Grades: >98%. CAS No. 54526-94-2. Molecular formula: C29H32O13. Mole weight: 588.56. | |
| Steffimycin B (Antibiotic U 40615) | Steffimycin B is a anthracycline metabolite isolated from a Streptomyces sp. displaying antibacterial and antineoplastic properties. Binding to DNA, crystallographic studies suggest that it has a higher CpG base sequence specificity over the TpA step, similar to that of daunorubicin and nogalamycin. A close analogue was shown to be active against ras oncogene-expressed cells. Group: Biochemicals. Alternative Names: Antibiotic U 40615. Grades: Highly Purified. CAS No. 54526-94-2. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| Stellasterol | Stellasterol. Group: Biochemicals. Alternative Names: (3b,5a,22E)-Ergosta-7,22-dien-3-ol; 5a-Ergosta-7,22-dien-3b-ol; (22E)-Ergosta-7,22-dien-3b-ol. Grades: Highly Purified. CAS No. 2465-11-4. Pack Sizes: 10mg, 25mg, 50mg, 100mg, 250mg. Molecular Formula: C28H46O. US Biological Life Sciences. | Worldwide |
| stemar-13-ene synthase | This diterpene cyclase produces stemar-13-ene, a putative precursor of the rice phytoalexin oryzalexin S. Phytoalexins are diterpenoid secondary metabolites that are involved in the defense mechanism of the plant, and are produced in response to pathogen attack through the perception of elicitor signal molecules such as chitin oligosaccharide, or after exposure to UV irradiation. Group: Enzymes. Synonyms: OsDTC2; OsK8; OsKL8; OsKS8; stemarene synthase; syn-stemar-13-ene synthase. Enzyme Commission Number: EC 4.2.3.33. 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-5191; stemar-13-ene synthase; EC 4.2.3.33; OsDTC2; OsK8; OsKL8; OsKS8; stemarene synthase; syn-stemar-13-ene synthase. Cat No: EXWM-5191. |  |
| stem bromelain | The most abundant of the cysteine endopeptidases of the stem of the pineapple plant, Ananas comosus. Distinct from the bromelain found in the pineapple fruit (EC 3.4.22.33). Scarcely inhibited by chicken cystatin and also very slowly inactivated by E-64. In peptidase family C1 (papain family). Group: Enzymes. Synonyms: bromelain; pineapple stem bromelain. Enzyme Commission Number: EC 3.4.22.32. CAS No. 37189-34-7. Bromelain. 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-4207; stem bromelain; EC 3.4.22.32; 37189-34-7; bromelain; pineapple stem bromelain. Cat No: EXWM-4207. | |
| Stem bromelain | Stem bromelain (EC 3.4.22.32) is a cysteine proteinase, isolated from pineapple ( Ananas comosus ) stem. Stem bromelain is a major bromelain, which exhibits various fibrinolytic, antiedematous, antithrombotic, and anti-inflammatory activities. Stem bromelain has in vivo antitumoral and antileukemic activity, as well as antimetastatic action [1] [2]. Uses: Scientific research. Group: Natural products. CAS No. 37189-34-7. Pack Sizes: 5 g; 25 g; 100 g. Product ID: HY-P2970. |  |
| Stem Cell Differentiation Compound Library | A unique collection of 1213 stem cell differentiation signaling targeted compounds for high throughput and high content screening; - Effective tool for research in regenerative medicine, stem cell differentiation signaling, and drug screening based on stem cells; - Targets include Wnt, GSK-2, Hedgehog, JAK, ROCK, γ-secretase, etc. ; - Detailed compound information with structure, target, activity, IC50 value, and biological activity description; - Structurally diverse, medicinally active, and cell permeable; - NMR and HPLC validated to ensure high purity and quality. Uses: Scientific use. Product Category: L8000. Categories: Stem Cell Differentiation Compounds Libraries. |  |
| Stem Cell Factor from mouse | SCF, recombinant, expressed in E. coli, powder, suitable for cell culture. Group: Fluorescence/luminescence spectroscopy. | |
| Stem Cell Factor human | SCF, recombinant, expressed in E. coli, powder, suitable for cell culture. Group: Fluorescence/luminescence spectroscopy. | |
| stemod-13(17)-ene synthase | This enzyme catalyses the committed step in the biosynthesis of the stemodane family of diterpenoid secondary metabolites, some of which possess mild antiviral activity. The enzyme also produces stemod-12-ene and stemar-13-ene as minor products. Group: Enzymes. Synonyms: OsKSL11; stemodene synthase. Enzyme Commission Number: EC 4.2.3.34. 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-5192; stemod-13(17)-ene synthase; EC 4.2.3.34; OsKSL11; stemodene synthase. Cat No: EXWM-5192. | |
| Stemone ® | Stemone ® (5-Methyl 3-Heptanone Oxime). CAS No. 22457-23-4. Kosher: Y. VIGON Item # 500933. Categories: Speciality Ingrdients Suppliers, Fragrances, Perfumers. |  America & Internationally |
| Stemphyperylenol | Stemphyperylenol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 102694-33-7, ACMC-20dgn3, AGN-PC-000QM7, 3,9-Perylenedione,1,2,6b,7,8,12b-hexahydro-1,4,7,10-tetrahydroxy-, (1S,6bS,7S,12bS)-, 1,4,7,10-tetrahydroxy-1,2,6b,7,8,12b-hexahydroperylene-3,9-dione. Product Category: Heterocyclic Organic Compound. CAS No. 102694-33-7. Molecular formula: C20H16O6. Mole weight: 352.337440 [g/mol]. Purity: 0.96. IUPACName: 1,4,7,10-tetrahydroxy-1,2,6b,7,8,12b-hexahydroperylene-3,9-dione. Product ID: ACM102694337. Alfa Chemistry ISO 9001:2015 Certified. | |
| Stemregenin 1 | Stemregenin 1 is a potent aryl hydrocarbon receptor ( AhR ) antagonist with IC 50 of 127 nM. Uses: Scientific research. Group: Signaling pathways. Alternative Names: SR1. CAS No. 1227633-49-9. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-15001. | |
| StemRegenin 1 | StemRegenin 1 is an aryl hydrocarbon receptor (AhR) antagonist with IC50 of 127 nM. It has been reported to promote hematopoietic stem cell expansion. Synonyms: 4-(2-(2-(benzo[b]thiophen-3-yl)-9-isopropyl-9H-purin-6-ylamino)ethyl)phenol; SR1. Grades: >98%. CAS No. 1227633-49-9. Molecular formula: C24H23N5OS. Mole weight: 429.542. | |
| StemRegenin 1 | StemRegenin 1 Inhibitor. Uses: Scientific use. Product Category: T1831. CAS No. 1227633-49-9. | |
| StemRegenin 1 (SR1) | StemRegenin 1 (SR1). Group: Biochemicals. Alternative Names: 4-[2-[[2-(1-benzothiophen-3-yl)-9-propan-2-ylpurin-6-yl]amino]ethyl]phenol. Grades: Highly Purified. CAS No. 1227633-49-9. Pack Sizes: 10mg. Molecular Formula: C24H23N5OS, Molecular Weight: 429.5. US Biological Life Sciences. | Worldwide |
| Stendomycin | Stendomycin is an ester peptide antibiotic complex produced by Str. sp. It has anti-gram-positive bacteria, mycobacteria and fungi activity. CAS No. 11006-78-3. Molecular formula: C79H137N17O19. Mole weight: 1629.03. | |
| Stenoparib | Stenoparib, also known as E7449 and 2X-121, is an orally available small molecule inhibitor of the nuclear enzymes poly (ADP-ribose) polymerase (PARP) 1 and 2, with potential antineoplastic activity. Upon administration, E7449 selectively binds to PARP 1 and 2, thereby preventing the repair of damaged DNA via the base excision repair (BER) pathway. This agent enhances the accumulation of single and double strand DNA breaks and promotes genomic instability eventually leading to apoptosis. PARP 1/2 inhibitor E7449 may enhance the cytotoxicity of DNA-damaging agents and of radiotherapy. PARP catalyzes post-translational ADP-ribosylation of nuclear proteins that signal and recruit other proteins to repair damaged DNA. Uses: Designed for use in research and industrial production. Additional or Alternative Names: E7449; E 7449; E-7449; 2X-121; 2X 121; 2X121; Stenoparib. Product Category: Inhibitors. Appearance: Solid powder. CAS No. 1140964-99-3. Molecular formula: C18H15N5O. Mole weight: 317.34. Purity: >98%. IUPACName: 8-(isoindolin-2-ylmethyl)-2H-pyridazino[3,4,5-de]quinazolin-3(9H)-one. Canonical SMILES: O=C1NN=C(N2)C3=C(C=CC=C31)N=C2CN(C4)CC5=C4C=CC=C5. Product ID: ACM1140964993. Alfa Chemistry ISO 9001:2015 Certified. | |
| Stenoparib | Stenoparib (E7449) is a potent PARP1 and PARP2 inhibitor and also inhibits TNKS1 and TNKS2 , with IC 50 s of 2.0, 1.0, ?50 and ?50 nM for PARP1, PARP2, TNKS1 and TNKS2, respectively, using 32 P-NAD + as substrate. Uses: Scientific research. Group: Signaling pathways. Alternative Names: E7449; 2X-121. CAS No. 1140964-99-3. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-12418. | |
| Stenosporonic acid | Synonyms: ACMC-20m6dj; 11H-Dibenzo[b,e][1,4]dioxepin-7-carboxylic acid, 8-hydroxy-3-methoxy-11-oxo-6-pentyl-1-propyl-; 8-Hydroxy-3-methoxy-11-oxo-6-pentyl-1-propyl-11H-dibenzo[b,e][1,4]dioxepine-7-carboxylic acid. CAS No. 103538-04-1. Molecular formula: C23H26O7. Mole weight: 414.45. | |
| Stephacidin B | Stephacidin B is a fungal metabolite originally isolated from A. ochraceus. Dimeric stephacidin B is rapidly converted to a monomer, avrainvillamide in vitro. Stephacidin B is cytotoxic to a variety of cancer cells, including testosterone-independent PC3 and -sensitive LNCaP prostate cancer cells (IC50s = 0.37 and 0.06 μM, respectively) and estradiol-independent SK-BR-3 and -sensitive MCF-7 breast cancer cells (IC50s = 0.32 and 0.27 μM, respectively). Synonyms: (-)-Stephacidin B. Grades: >95% by HPLC. CAS No. 360765-75-9. Molecular formula: C52H54N6O8. Mole weight: 891.02. | |
| Stephania Root Powder (Stephania Tetrandra) | Stephania Root Powder (Stephania Tetrandra). |  CA, FL & NJ |
| Stepronin | Stepronin is a mucolytic and expectorant and it can be used for the treatment of Bronchitis and Otorhinolaryngological infections. Uses: Bronchitis; otorhinolaryngological infections. Synonyms: (2-((thiophene-2-carbonyl)thio)propanoyl)glycine; Tiofacic; Prostenoglycine; Bronco-plus; TTPG; Glycine, N-(1-oxo-2-((2-thienylcarbonyl)thio)propyl)-. Grades: 98%. CAS No. 72324-18-6. Molecular formula: C10H11NO4S2. Mole weight: 273.32. | |
| Stepronin | Stepronin. Group: Biochemicals. Grades: Highly Purified. CAS No. 72324-18-6. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences. | Worldwide |
| Sterculic acid | Sterculic acid is a stearoyl-CoA desaturase-1 ( SCD1 ) inhibitor. Sterculic acid specifically inhibits the delta-9 desaturase ( Δ9D ) activity with an IC 50 value of 0.9 μM [1]. Uses: Scientific research. Group: Natural products. CAS No. 738-87-4. Pack Sizes: 1 mg; 5 mg; 10 mg; 25 mg. Product ID: HY-127143. | |
| Sterigmatocystin | Sterigmatocystin is a mycotoxin produced by several species of aspergillus. It is structurally related to the aflatoxins. It is mutagenic, teratogenic and carcinogenic and is less widespread and potent than Aflatoxin. It inhibits acyl-CoA. It is a cholesterol acyltransferase (ACAT) with selectivity for the ACAT2 isoenzyme. Synonyms: (3aR,12cS)-3a,12c-Dihydro-8-hydroxy-6-methoxy-7H-furo[3',2':4,5]furo[2,3-c]xanthen-7-one; (3aR-cis)-3a,12c-Dihydro-8-hydroxy-6-methoxy-7H-furo[3',2':4,5]furo[2,3-c]xanthen-7-one; NSC 201423; NSC 204985; Sterigmatocystine. Grades: >95% by HPLC. CAS No. 10048-13-2. Molecular formula: C18H12O6. Mole weight: 324.28. | |
| Sterigmatocystin | Sterigmatocystin is a xanthone isolated by a number of groups in the 1950s as a mycotoxin produced by several species of Aspergillus associated with food and grain contamination. Sterigmatocystin is structurally related to the aflatoxins and while it is considered to be mutagenic, teratogenic and carcinogenic, it is less widespread and potent than the aflatoxins. Sterigmatocystin in the presence of microsomes covalently binds to DNA. It uncouples oxidative phosphorylation but, unlike the aflatoxins, does not induce mitochondrial swelling or hinder Ca2+-induced swelling of mitochondria. More recently, sterigmatocystin has been shown to. Group: Biochemicals. Grades: Highly Purified. CAS No. 10048-13-2. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| sterigmatocystin 8-O-methyltransferase | Dihydrosterigmatocystin can also act as acceptor. Involved in the biosynthesis of aflatoxins in fungi. Group: Enzymes. Synonyms: sterigmatocystin methyltransferase; O-methyltransferase II; sterigmatocystin 7-O-methyltransferase (incorrect); S-adenosyl-L-methionine:sterigmatocystin 7-O-methyltransferase (incorrect); OmtA. Enzyme Commission Number: EC 2.1.1.110. CAS No. 116958-29-3. 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-1709; sterigmatocystin 8-O-methyltransferase; EC 2.1.1.110; 116958-29-3; sterigmatocystin methyltransferase; O-methyltransferase II; sterigmatocystin 7-O-methyltransferase (incorrect); S-adenosyl-L-methionine:sterigmatocystin 7-O-methyltransferase (incorrect); OmtA. Cat No: EXWM-1709. | |
| Sterigmatocystine | Sterigmatocystine is a precursor of aflatoxins and a mycotoxin produced by common mold strains from Aspergillus versicolor [1] [2]. Sterigmatocystine, a inhibitor of G1 Phase and DNA synthesis, is used to inhibit p21 activity. Sterigmatocystine has teratogenic, and carcinogenic effects in animals [3]. Uses: Scientific research. Group: Natural products. CAS No. 10048-13-2. Pack Sizes: 1 mg; 5 mg. Product ID: HY-N6725. | |
| Sterigmatocystin (NSC 201423, NSC 204985) | Intermediate of the biosynthetic pathway to aflatoxin B1. Mycotoxin. DNA synthesis inhibitor. Anticancer compound. Cytotoxic, carcinogenic and mutagenic. Acyl-CoA:cholesterol acyltransferase 2 (ACAT2) inhibitor. Shown to induce apoptosis in human peripheral lymphocytes and necrosis in rat liver. Induces sister chromatid exchanges in murine bone marrow cells. Group: Biochemicals. Grades: Highly Purified. CAS No. 10048-13-2. Pack Sizes: 1mg, 5mg. US Biological Life Sciences. | Worldwide |
| Sterile 10 mM Histidine, pH 5.5 buffer | Sterile 10 mM Histidine, pH 5.5 buffer is a sterile solution using 10 mM histidine as the solute with its pH adjusted to 5.5, possessing both buffering capacity and biocompatibility. Sterile 10 mM Histidine, pH 5.5 buffer is widely applied in laboratory research, pharmaceutical production, cosmetics and other fields[1]. Uses: Scientific research. Group: Biochemical assay reagents. Pack Sizes: 10 mL; 30 mL. Product ID: HY-Y1968A. | |
| Sterile Water USP for injection | Sterile Water USP for injection. CAS No. 7732-18-5. Product ID: 8-04891. |  |
| Sterility PT | Proficiency Testing Material. Group: Atomic absorption spectroscopy (aas). | |
| steroid 11β-monooxygenase | A heme-thiolate protein (P-450). Also hydroxylates steroids at the 18-position, and converts 18-hydroxycorticosterone into aldosterone. Group: Enzymes. Synonyms: steroid 11β-hydroxylase; steroid 11β/18-hydroxylase. Enzyme Commission Number: EC 1.14.15.4. CAS No. 9029-66-7. 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-0947; steroid 11β-monooxygenase; EC 1.14.15.4; 9029-66-7; steroid 11β-hydroxylase; steroid 11β/18-hydroxylase. Cat No: EXWM-0947. | |
| steroid 15β-monooxygenase | The enzyme from the bacterium Bacillus megaterium hydroxylates a variety of 3-oxo-Δ4-steroids in position 15&beta. Ring A-reduced, aromatic, and 3β-hydroxy-Δ4-steroids do not serve as substrates. Group: Enzymes. Synonyms: cytochrome P-450meg; cytochrome P450meg; steroid 15β-hydroxylase; CYP106A2; BmCYP106A2. Enzyme Commission Number: EC 1.14.15.8. 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-0951; steroid 15β-monooxygenase; EC 1.14.15.8; cytochrome P-450meg; cytochrome P450meg; steroid 15β-hydroxylase; CYP106A2; BmCYP106A2. Cat No: EXWM-0951. | |
| steroid 17α-monooxygenase | Requires NADPH and EC 1.6.2.4, NADPH-hemoprotein reductase. A microsomal hemeprotein that catalyses two independent reactions at the same active site - the 17α-hydroxylation of pregnenolone and progesterone, which is part of glucocorticoid hormones biosynthesis, and the conversion of the 17α-hydroxylated products via a 17,20-lyase reaction to form androstenedione and dehydroepiandrosterone, leading to sex hormone biosynthesis (EC 4.1.2.30, 7α-hydroxyprogesterone aldolase). The ratio of the 17α-hydroxylase and 17,20-lyase activities is an important factor in determining the directions of steroid hormone biosynthesis towards biosynthesis of glucocorticoid or sex hormones. Group: Enzymes. Synonyms: steroid 17α-hydroxylase; cytochrome P-450 17α; cytochrome P-450 (P-450 17α,lyase); 17α-hydroxylase-C17,20 lyase; CYP17; CYP17A1 (gene name). Enzyme Commission Number: EC 1.14.14.19. CAS No. 9029-67-8. 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-0916; steroid 17α-monooxygenase; EC 1.14.14.19; 9029-67-8; steroid 17α-hydroxylase; cytochrome P-450 17α; cytochrome P-450 (P-450 17α,lyase); 17α-hydroxylase-C17,20 lyase; CYP17; CYP17A1 (gene name). Cat No: EXWM-0916. | |
| steroid 21-monooxygenase | A P-450 heme-thiolate protein responsible for the conversion of progesterone and 17α-hydroxyprogesterone to their respective 21-hydroxylated derivatives, 11-deoxycorticosterone and 11-deoxycortisol. Involved in the biosynthesis of the hormones aldosterone and cortisol. The electron donor is EC 1.6.2.4, NADPH-hemoprotein reductase. Group: Enzymes. Synonyms: steroid 21-hydroxylase; 21-hydroxylase; P450c21; CYP21A2 (gene name). Enzyme Commission Number: EC 1.14.14.16. CAS No. 9029-68-9. 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-0913; steroid 21-monooxygenase; EC 1.14.14.16; 9029-68-9; steroid 21-hydroxylase; 21-hydroxylase; P450c21; CYP21A2 (gene name). Cat No: EXWM-0913. | |
| steroid 9α-monooxygenase | An enzyme system involving a flavoprotein (FMN) and two iron-sulfur proteins. Group: Enzymes. Synonyms: steroid 9α-hydroxylase. Enzyme Commission Number: EC 1.14.99.24. CAS No. 82869-33-8. 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-1042; steroid 9α-monooxygenase; EC 1.14.99.24; 82869-33-8; steroid 9α-hydroxylase. Cat No: EXWM-1042. | |
| steroid Δ-isomerase | This activity is catalysed by several distinct enzymes (cf. EC 1.1.3.6, cholesterol oxidase and EC 1.1.1.145, 3-hydroxy-5-steroid dehydrogenase). Group: Enzymes. Synonyms: hydroxysteroid isomerase; steroid isomerase; Δ5-ketosteroid isomerase; Δ5(or Δ4)-3-keto steroid isomerase; Δ5-steroid isomerase; 3-oxosteroid isomerase; Δ5-3-keto steroid isomerase; Δ5-3-oxosteroid isomerase. Enzyme Commission Number: EC 5.3.3.1. CAS No. 9031-36-1. 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-5489; steroid Δ-isomerase; EC 5.3.3.1; 9031-36-1; hydroxysteroid isomerase; steroid isomerase; Δ5-ketosteroid isomerase; Δ5(or Δ4)-3-keto steroid isomerase; Δ5-steroid isomerase; 3-oxosteroid isomerase; Δ5-3-keto steroid isomerase; Δ5-3-oxosteroid isomerase. Cat No: EXWM-5489. | |
| steroid-lactonase | This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name of this enzyme class is testololactone lactonohydrolase. Group: Enzymes. Enzyme Commission Number: EC 3.1.1.37. CAS No. 37288-08-7. 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-3463; steroid-lactonase; EC 3.1.1.37; 37288-08-7. Cat No: EXWM-3463. | |
| steroid N-acetylglucosaminyltransferase | This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. Group: Enzymes. Synonyms: hydroxy steroid acetylglucosaminyltransferase; steroid acetylglucosaminyltransferase; uridine diphosphoacetylglucosamine-steroid acetylglucosaminyltransferase. Enzyme Commission Number: EC 2.4.1.39. CAS No. 9033-56-1. 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-2585; steroid N-acetylglucosaminyltransferase; EC 2.4.1.39; 9033-56-1; hydroxy steroid acetylglucosaminyltransferase; steroid acetylglucosaminyltransferase; uridine diphosphoacetylglucosamine-steroid acetylglucosaminyltransferase. Cat No: EXWM-2585. | |
| steroid sulfotransferase | Broad specificity resembling EC 2.8.2.2 alcohol sulfotransferase, but also acts on estrone. Group: Enzymes. Synonyms: steroid alcohol sulfotransferase. Enzyme Commission Number: EC 2.8.2.15. CAS No. 9032-76-2. 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-3373; steroid sulfotransferase; EC 2.8.2.15; 9032-76-2; steroid alcohol sulfotransferase. Cat No: EXWM-3373. | |
| sterol 14α-demethylase | This heme-thiolate (P-450) enzyme acts on a range of steroids with a 14α-methyl group, such as obtusifoliol and lanosterol. The enzyme catalyses two successive hydroxylations of the 14α-methyl group, followed by elimination as formate, leaving a 14(15) double bond. Group: Enzymes. Synonyms: obtusufoliol 14-demethylase; lanosterol 14-demethylase; lanosterol 14α-demethylase; sterol 14-demethylase. Enzyme Commission Number: EC 1.14.13.70. CAS No. 60063-87-8. 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-0877; sterol 14α-demethylase; EC 1.14.13.70; 60063-87-8; obtusufoliol 14-demethylase; lanosterol 14-demethylase; lanosterol 14α-demethylase; sterol 14-demethylase. Cat No: EXWM-0877. | |
| sterol 22-desaturase | A heme-thiolate protein (P450). The enzyme, found in yeast and plants, catalyses the introduction of a double bond between the C-22 and C-23 carbons of certain sterols. In yeast the enzyme acts on ergosta-5,7,24(28)-trien-3β-ol, a step in the biosynthesis of ergosterol. The enzyme from the plant Arabidopsis thaliana acts on sitosterol and 24-epi-campesterol, producing stigmasterol and brassicasterol, respectively. Group: Enzymes. Synonyms: ERG5 (gene name); CYP710A (gene name). Enzyme Commission Number: EC 1.14.19.41. 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-1006; sterol 22-desaturase; EC 1.14.19.41; ERG5 (gene name); CYP710A (gene name). Cat No: EXWM-1006. | |
| sterol 24-C-methyltransferase | Requires glutathione. Acts on a range of sterols with a 24(25)-double bond in the sidechain. While zymosterol is the preferred substrate it also acts on desmosterol, 5α-cholesta-7,24-dien-3β-ol, 5α-cholesta-5,7,24-trien-3β-ol, 4α-methylzymosterol and others. S-Adenosyl-L-methionine attacks the Si-face of the 24(25) double bond and the C-24 hydrogen is transferred to C-25 on the Re face of the double bond. Group: Enzymes. Synonyms: Δ24-methyltransferase; Δ24-sterol methyltransferase; zymosterol-24-methyltransferase; S-adenosyl-4-methionine:sterol Δ24-methyltransferase; SMT1; 24-sterol C-methyltransferase; S-adenosyl-L-methionine:Δ24(23)-sterol methyltransferase; phytosterol methyltransferase. Enzyme Commission Number: EC 2.1.1.41. CAS No. 37257-07-1. 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-1945; sterol 24-C-methyltransferase; EC 2.1.1.41; 37257-07-1; Δ24-methyltransferase; Δ24-sterol methyltransferase; zymosterol-24-methyltransferase; S-adenosyl-4-methionine:sterol Δ24-methyltransferase; SMT1; 24-sterol C-methyltransferase; S-adenosyl-L-methionine:Δ24(23)-sterol methyltransferase; phytosterol methyltransferase. Cat No: EXWM-1945. | |
| sterol 3β-glucosyltransferase | Not identical with EC 2.4.1.192 (nuatigenin 3β-glucosyltransferase) or EC 2.4.1.193 (sarsapogenin 3β-glucosyltransferase). Group: Enzymes. Synonyms: UDPG:sterol glucosyltransferase; UDP-glucose-sterol β-glucosyltransferase; sterol:UDPG glucosyltransferase; UDPG-SGTase; uridine diphosphoglucose-poriferasterol glucosyltransferase; uridine diphosphoglucose-sterol glucosyltransferase; sterol glucosyltransferase; sterol-β-D-glucosyltransferase; UDP-glucose-sterol glucosyltransferase. Enzyme Commission Number: EC 2.4.1.173. CAS No. 123940-38-5,9075-00-7. 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-2398; sterol 3β-glucosyltransferase; EC 2.4.1.173; 123940-38-5,9075-00-7; UDPG:sterol glucosyltransferase; UDP-glucose-sterol β-glucosyltransferase; sterol:UDPG glucosyltransferase; UDPG-SGTase; uridine diphosphoglucose-poriferasterol glucosyltransferase; uridine diphosphoglucose-sterol glucosyltransferase; sterol glucosyltransferase; sterol-β-D-glucosyltransferase; UDP-glucose-sterol glucosyltransferase. Cat No: EXWM-2398. | |
| sterol esterase | A group of enzymes of broad specificity, acting on esters of sterols and long-chain fatty acids, that may also bring about the esterification of sterols. Activated by bile salts. Group: Enzymes. Synonyms: cholesterol esterase; cholesteryl ester synthase; triterpenol esterase; cholesteryl esterase; cholesteryl ester hydrolase; sterol ester hydrolase; cholesterol ester hydrolase; cholesterase; acylcholesterol lipase. Enzyme Commission Number: EC 3.1.1.13. CAS No. 9026-00-0. Cholesterol Esterase. 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-3440; sterol esterase; EC 3.1.1.13; 9026-00-0; cholesterol esterase; cholesteryl ester synthase; triterpenol esterase; cholesteryl esterase; cholesteryl ester hydrolase; sterol ester hydrolase; cholesterol ester hydrolase; cholesterase; acylcholesterol lipase. Cat No: EXWM-3440. | |
| sterol O-acyltransferase | The animal enzyme is highly specific for transfer of acyl groups with a single cis double bond that is nine carbon atoms distant from the carboxy group. Group: Enzymes. Synonyms: cholesterol acyltransferase; sterol-ester synthase; sterol-ester synthetase; sterol-ester synthase; acyl coenzyme A-cholesterol-O-acyltransferase; acyl-CoA:cholesterol acyltransferase; ACAT; acylcoenzyme A:cholesterol O-acyltransferase; cholesterol ester synthase; cholesterol ester synthetase; cholesteryl ester synthetase. Enzyme Commission Number: EC 2.3.1.26. CAS No. 9027-63-8. 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-2203; sterol O-acyltransferase; EC 2.3.1.26; 9027-63-8; cholesterol acyltransferase; sterol-ester synthase; sterol-ester synthetase; sterol-ester synthase; acyl coenzyme A-cholesterol-O-acyltransferase; acyl-CoA:cholesterol acyltransferase; ACAT; acylcoenzyme A:cholesterol O-acyltransferase; cholesterol ester synthase; cholesterol ester synthetase; cholesteryl ester synthetase. Cat No: EXWM-2203. | |
| S-tert-Butyl-D-cysteine hydrochloride | S-tert-Butyl-D-cysteine hydrochloride. Group: Biochemicals. Alternative Names: D-Cys(tBu)-OH·HCl. Grades: Highly Purified. CAS No. 200353-65-7. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. US Biological Life Sciences. | Worldwide |
| S-tert-Butyl-D-cysteine hydrochloride | Synonyms: D-Cys(tBu)-OH HCl; (S)-2-Amino-3-(Tert-Butylthio)Propanoic Acid Hydrochloride. Grades: ≥ 98% (HPLC). CAS No. 200353-65-7. Molecular formula: C7H15NO2S·HCl. Mole weight: 213.70. | |
| S-tert-Butyl-D-cysteine hydrochloride 98+% (HPLC) | S-tert-Butyl-D-cysteine hydrochloride 98+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences. | Worldwide |
| S-(+)-teRt-Butyl glycidyl etheR | S-(+)-teRt-Butyl glycidyl etheR. Group: Biochemicals. Grades: Highly Purified. CAS No. 130232-97-2. Pack Sizes: 1g, 2g, 5g, 10g, 25g. US Biological Life Sciences. | Worldwide |
| S-tert-Butyl-L-cysteine hydrochloride | Synonyms: L-Cys(tBu)-OH HCl; (2R)-2-amino-3-tert-butylsulfanylpropanoic acid hydrochloride. Grades: ≥ 99% (HPLC). CAS No. 2481-9-6. Molecular formula: C7H15NO2S·HCl. Mole weight: 213.70. | |
| S-tert-Butyl-L-cysteine hydrochloride | S-tert-Butyl-L-cysteine hydrochloride. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g, 250g. US Biological Life Sciences. | Worldwide |
| S-tert-Butyl-L-cysteine Hydrochloride | Intermediate in peptide syntheses. CAS No. 2481-9-6. Pack Sizes: 5g. Product ID: FR-1331. M.P. 197-198. Mole weight: 213.73. |  Frinton Laboratories |
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