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Provitamin B5 (d-panthenol) Provitamin B5 (synonyms: D-pantothenyl alcohol, pantothenol, dexpanthenol) is the alcohol analog of pantothenic acid (vitamin B5). Activity 75%. Uses: Creams, lotions, shampoos, conditioners, body washes, makeup. Group: Skin actives. CAS No. 81-13-0/7732-18-5. Appearance: Clear viscous liquid, no or faint odor. Catalog: CI-SC-0989. Alfa Chemistry.
Provitamin B5 Powder (dl-panthenol) Provitamin B5 in powder form (synonyms: dl-pantothenyl alcohol, pantothenol, dexpanthenol) is the alcohol analog of pantothenic acid (vitamin B5). 100% pure (racemic mixture of l-panthenol and d-panthenol). Uses: Creams, lotions, shampoos, conditioners, body washes, makeup. Group: Skin actives. CAS No. 16485-10-2. Appearance: White to off-white crystalline powder. Catalog: CI-SC-0607. Alfa Chemistry.
Beta-Carotene ( β, β-Carotene, β-Carotene, Provitamin A) Antioxidant; antineoplastic; inudces cell differentiation. β-carotene (beta-carotine) is a strongly colored red-orange pigment abundant in plants and fruits. It is an organic compound and chemically is classified as a hydrocarbon and specifically as a terpenoid (isoprenoid), reflecting its derivation from isoprene units. β-Carotene is biosynthesized from geranylgeranyl pyrophosphate. It is a member of the carotenes, which are tetraterpenes, synthesized biochemically from eight isoprene units and thus having 40 carbons. Among this general class of carotenes, β-carotene is distinguished by having beta-rings at both ends of the molecule. Absorption of β-carotene is enhanced if eaten with fats, as carotenes are fat soluble. β-Carotene has been used to treat various disorders such as erythropoietic protoporphyria. It has also been used to reduce the risk of breast cancer in women before menopause, and the risk of age-related macular degeneration (AMD). Group: Biochemicals. Alternative Names: β-Carotene; Betacarotene; β, β-Carotene; Provatene; Lucarotin; KPMK; Food Orange 5; Provitamin A; NSC 62794; (all-E)-1,1'-(3,7,12,16-t. Grades: Highly Purified. CAS No. 7235-40-7. Pack Sizes: 5g, 10g, 25g. Molecular Formula: C40H56, Molecular Weight: 536.87. US Biological Life Sciences. USBiological 6
Worldwide
13-cis- β-Carotene-d5 13-cis- β-Carotene-d5 is labelled 13-cis- β-Carotene (C184225) which is an isomer of β-Caroten (C184250). Carrots are one of the highest dietary sources of β-carotene and are naturally high in the (all-E)- β-carotene isomer, which has higher bioavailability, provitamin A activity, and antioxidant capacity compared to Z (cis) isomers. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C38H47D5, Molecular Weight: 513.85. US Biological Life Sciences. USBiological 9
Worldwide
(24S)-3 β-Hydroxyergost-5-en-7-one (24S)-3 β-Hydroxyergost-5-en-7-one is a secondary metabolite found in the fruiting bodies of Cyttaria johowii. (24S)-3 β-Hydroxyergost-5-en-7-one is a derivative of Ergosterol (E599240) which is the most important of the provitamins D. Ergosterol is usually obtained from yeast, synthesized from simple sugars such as glucose. Group: Biochemicals. Grades: Highly Purified. CAS No. 156767-69-0. Pack Sizes: 1mg, 2mg. Molecular Formula: C28H46O2, Molecular Weight: 414.66. US Biological Life Sciences. USBiological 10
Worldwide
2-Keto-L-galactonic acid 2-Keto-L-galactonic acid is a highly sought-after compound, used in the research of hepatology. The acid unveils an un assuming yet profound role as a precursor for the biogenesis of vitamin C. Uses: Provitamins. Synonyms: 2-keto-L-gluconate; 2-Keto-L-galactonic acid; 91548-32-2; 3,4,5,6-tetrahydroxy-2-oxohexanoic acid; L-xylo-2-Hexulosonicacid, hydrate (9CI); D-arabino-Hexulosonic acid; Provitamin C; 342385-52-8; Gluconic acid, 2-oxo-; 2-keto-D-gluconate; 773WWQ6UFE; 2-Ketoidonate; 2-Ketogluconsaure; EINECS 211-574-9; Hex-2-ulosonic acid; UNII-773WWQ6UFE; SCHEMBL2903691; CHEBI:88378; DTXSID30859528; NSC87544; CCG-40508; NSC-87544; SB46670; PD166035; FT-0612737; Q27160223; C148B2AC-3424-4B69-892E-44B5D2F8C070; 73803-83-5. CAS No. 91548-32-2. Molecular formula: C6H10O7. Mole weight: 194.14. BOC Sciences 11
2-Keto-L-gulonic acid 2-Keto-L-gulonic acid, an indispensable constituent in the biomedical sector, embodies exceptional pharmacological attributes. It assumes a pivotal role as a fundamental constituent in the synthesis of vitamin C, paramount in bolstering immune competency and holistic well-being. Uses: Provitamins. Synonyms: L-xylo-2-Hexulosonic acid; L-xylo-Hexulosonic acid; Gulonic acid, 2-keto-, L-; Idonic acid, 2-keto-, L-; 2-keto-L-Gulonic acid; 2-Keto-L-idonic acid; L-Xylohexulosonic acid. Grades: ≥95%. CAS No. 526-98-7. Molecular formula: C6H10O7. Mole weight: 194.14. BOC Sciences 11
2-Keto-L-gulonic acid H2O (1:x) 2-Keto-L-gulonic acid H2O (1:x) is an indispensable compound in the biomedical field, serving as a pivotal constituent for the compoundion of L-ascorbic acid, more commonly referred to as Vitamin C. Given its reliability and efficacy, this compound presenting an unparalleled remedy in the research of Vitamin C insufficiency and its associated ailments. Uses: Provitamins. Synonyms: 2-Keto-L-gulonic acid; 526-98-7; L-xylo-Hex-2-ulosonic acid; L-sorbosonic acid; L-xylo-2-Hexulosonic acid; L-Xylohexulosonic acid; 2-Oxo-l-gulonic acid; (3S,4R,5S)-3,4,5,6-tetrahydroxy-2-oxohexanoic acid; 3-keto-L-Gulonic acid; L-Ketoidonate; 2-dehydro-L-idonic acid; L-Ketoidonic acid; L-sorbosonate; 2-keto-L-gulonate; 342385-52-8; I49386U15C; Gulonic acid, 2-oxo-; UNII-I49386U15C; EINECS 208-403-5; l-xylo-hexulosonic acid; EC 208-403-5; Idonic acid, 2-keto-, L-; SCHEMBL149382; CHEBI:19543; VBUYCZFBVCCYFD-NUNKFHFFSA-N; DTXSID901031512; 2-KETO-L-GULONIC ACID [MI]; AKOS006282126; ASCORBIC ACID IMPURITY C [EP IMPURITY]; E72647; EN300-25692370; Q27109187; 6DBA7178-9A91-4E10-8B9E-22EBA19458C8. CAS No. 342385-52-8. Molecular formula: C6H10O7.xH2O. Mole weight: 194.139 (anhydrous). BOC Sciences 11
(3 β)-7-Dehydro Cholesterol A vitamin precursor. Group: Biochemicals. Alternative Names: Cholesta-5,7-dien-3 β-ol; 7,8-Didehydrocholesterol; 7-Dehydrocholesterin; Provitamin D3. Grades: Highly Purified. CAS No. 434-16-2. Pack Sizes: 250mg. US Biological Life Sciences. USBiological 2
Worldwide
(3 β)-7-Dehydro Cholesterol-d7 A labeled vitamin precursor. Group: Biochemicals. Alternative Names: Cholesta-5,7-dien-3 β-ol-d7; 7,8-Didehydrocholesterol-d7; 7-Dehydrocholesterin-d7; Provitamin D3-d7. Grades: Highly Purified. Pack Sizes: 500ug. US Biological Life Sciences. USBiological 2
Worldwide
7-Dehydrocholesterol A vitamin precursor. Uses: Provitamins. Synonyms: Cholecalciferol EP Impurity B; (3β)-7-Dehydro Cholesterol; Dehydrocholesterol; 7,8-Didehydrocholesterol; Cholesta-5,7-dien-3beta-ol; 5,7-Cholestandien-3beta-ol; provitamin D3. Grades: > 95%. CAS No. 434-16-2. Molecular formula: C27H44O. Mole weight: 384.64. BOC Sciences 7
Acerola cherry extract Acerola cherry extract. Applications: Nutraceutical food, funtional beverage. Group: Others. Purity: 17%, 25% Vitamin C, or 4:1, 10:1. Appearance: Light yellow or Light red Powder. Source: Acerola fruit extract often used in North America because of its high vitamin C content. Until the discovery of the camu-camu plant, the richest known natural source of vitamin C was the extract of the acerola fruit. Acerola fruit extract contains further substances like provitamin A, vitamin B1, vitamin B2, niacin, protein, iron, phosphorus and calcium. Through this unique combination acerolafruitextract is assumed to have a substantially greater anti-oxidative effect as well as bio availablity than that of synthetical vitamin C. Especially for people with allergies against citrus fruits, acerola fruit extract represents a true alternative. Acerola cherry extract. Cat No: EXTC-168. Creative Enzymes
All-trans Retinol Vitamin A is a group of unsaturated nutritional organic compounds, which includes retinol, retinal, retinoic acid, several provitamin A carotenoids, and beta-carotene. Vitamin A is important for growth and development, for the maintenance of the immune system and good vision. Vitamin A is needed by the retina of the eye in the form of retinal, which combines with protein opsin to form rhodopsin, the light-absorbing molecule necessary for both low-light (scotopic vision) and color vision. Vitamin A also functions in a very different role as retinoic acid (an irreversibly oxidized form of retinol), which is an important hormone-like growth factor for epithelial and other cells. Uses: Vitamin a is indicated only for prevention or treatment of vitamin a deficiency states. Synonyms: Vitamin A; Vitamin A1; (all-e)-3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraen-1-ol; 2,4,6,8-Nonatetraen-1-ol, 3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-, (all-E)-; 21 CFR 182,5930; 3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclchexen-1-yl)-2,4,6,8-nonate. Grades: >98%. CAS No. 68-26-8. Molecular formula: C20H30O. Mole weight: 286.46. BOC Sciences
β-?Apo-?8'-?carotenal β-Apo-8'-carotenal (Apocarotenal), a provitamin A carotenoid, is an inducer of CYPlA1 and CYPlA2 in rat. β-Apo-8'-carotenal is present in many fruits and vegetables [1]. Uses: Scientific research. Group: Natural products. Alternative Names: Apocarotenal. CAS No. 1107-26-2. Pack Sizes: 25 mg; 100 mg. Product ID: HY-N6677. MedChemExpress MCE
β-Carotene β-Carotene (Provitamin A), a carotenoid compound, is a naturally-occurring vitamin A precursor. β-Carotene is a modulator of reactive oxygen species (ROS) , with antioxidant and antiinflammatory activities. β-Carotene may serve as an antioxidant or as a prooxidant, depending on its intrinsic properties as well as on the redox potential of the biological environment in which it acts. β-Carotene induces breast cancer cells apoptosis , with anticancer activities [1] [2] [3] [4] [5]. Uses: Scientific research. Group: Natural products. Alternative Names: Provitamin A; beta-Carotene. CAS No. 7235-40-7. Pack Sizes: 50 mg; 100 mg. Product ID: HY-N0411. MedChemExpress MCE
β-Carotene β-Carotene. Synonyms: β,β-Carotene, Provitamin A. CAS No. 7235-40-7. Product ID: CDC10-0139. Molecular formula: C40H56. Category: Cosmetic Color Additives. Product Keywords: Cosmetic Ingredients; Cosmetic Color Additives; β-Carotene; CDC10-0139; 7235-40-7; C40H56; β,β-Carotene, Provitamin A; 230-636-6; MFCD00001556; 7235-40-7. Purity: ≥95% (HPLC). Color: Dark red-purple to red-brown. EC Number: 230-636-6. Physical State: Crystalline. Solubility: hexane: 100 μg/mL, soluble. Quality Level: 200. Storage: -20°C. Boiling Point: 644.94°C (rough estimate). Melting Point: 178-179 °C. Density: 1 g/mL. CD Formulation
Cholesterol Cholesterol - Product ID: NST-10-135. Category: Sterols. Alternative Names: (-)-Cholesterol, Cholesteryl alcohol, Dythol, Lidinit, Marine Cholesterol, Provitamin D. Purity: 98%. Test method: HPLC. CAS No. 57-88-5. Pack Sizes: 50g, 100g, 250g, 500g. Appearance: White to beige coloured Powder. Molecular formula: C27H46O. Mole weight: 386.66. Storage: +2 … +8 °C. NATURE SCIENCE TECHNOLOGIES
Dexpanthenol Pharmacopeia & Metrological Institutes Standards; European Pharmacopoeia (Ph. Eur.); Pharmacopoeial Standards. Uses: For analytical and research use. Group: Reagents. Alternative Names: Dexpanthenol, Alcopan 250, Pantol, NSC 302962, D(+)-alpha,gamma-Dihydroxy-N-(3-hydroxypropyl)-beta,beta-dimethylbutyramide, D(+)-Panthenol, D(+)-Pantothenyl alcohol, d-Panthenol 50, D-(+)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide, Pantenyl, Cornergel, Provitamin B5, Bepanthene, Ilopan, (R)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutanamide, Bepantol, (+)-Panthenol, Cozyme, Dolobene, Synapan, Zentinic, D(+)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide, d-Pantothenol, Motilyn, Panadon, d-Panthenol, Intrapan,(2R)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutanamide, Panthenol 50W, N-Pantoylpropanolamine, Pantothenol, d-Pantothenyl alcohol, D-Pantothenyl alcohol, D-P-A Injection, Urupan, D-Panthenol, Panthenol, Panthoderm, (+)-Panthenol, Bepanthen, Pantothenyl alcohol, Thenalton, Provitamin B. CAS No. 81-13-0. Pack Sizes: 500MG. IUPAC Name: (2R)-2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutanamide. Alfa Chemistry Analytical Products
Ergosterol Most important vitamin of the provitamins D. Usually obtained from yeast which synthesizes it from simple sugars such as glucose. Group: Biochemicals. Alternative Names: (3 β,22E)-Ergosta-5,7,22-trien-3 β-ol; (24R)-Ergosta-5,7,22-trien-3 β-ol; 24-Methylcholesta-5,7,22-trien-3 β-ol; 24R-Methylcholesta-5,7,22E-trien-3 β-ol; 24α-Methyl-22E-dehydrocholesterol; 3 β-Hydroxyergosta-5,7,22-triene; Ergosterin; Provitamin D; Provitamin D2. Grades: Highly Purified. CAS No. 57-87-4. Pack Sizes: 10g, 25g, 50g, 100g. US Biological Life Sciences. USBiological 7
Worldwide
Lumisterol Lumisterol is an impurity of vitamin D2 of steroid compounds. It is produced in the preparation of vitamin D1. Uses: Provitamins. Synonyms: Ergocalciferol EP Impurity C; 9-beta,10-alpha-Ergosta-5,7,22-trien-3-beta-ol. CAS No. 474-69-1. Molecular formula: C28H44O. Mole weight: 396.659. BOC Sciences 7
Papaya Powder Papaya powder is made from fresh papaya fruit, rich source of nutrients such as provitamin A carotenoids, vitamin C, B vitamins, dietary minerals and dietary fibre. Papaya fruit powder is good for spleen, digestion and kidney. Papaya fruit powder maintain the nutritional content and flavor of fresh papaya, instant dissolution, easy to use. Group: Others. Papaya Powder; Chaenomeles sinensis. Cat No: EXTC-089. Creative Enzymes
Tachysterol Bioactive, synthetic vitamin D3 analog; exhibits anti-proliferative effect on keratinocytes. Anti-psoriatic. Group: Biochemicals. Alternative Names: (1S)-3-[(1E)-2-[(1R,3aR,7aR)-2,3,3a,6,7,7a-Hexahydro-7a-methyl-1-[(1R,2E,4R)-1,4,5-trimethyl-2-hexen-1-yl]-1H-inden-4-yl]ethenyl]-4-methyl-3-cyclohexen-1-ol; (3 β,6E,22E)-9,10-Secoergosta-5(10),6,8,22-tetraen-3-ol; Provitamin D; Tachysterin2; Tachysterol2. Grades: Highly Purified. CAS No. 115-61-7. Pack Sizes: 1mg. Molecular Formula: C??H??O, Molecular Weight: 396.65. US Biological Life Sciences. USBiological 3
Worldwide

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