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Pregna-1,4,9(11),16-tetraene-3,20-dione Intermediate in the preparation of Methasone derivatives. Group: Biochemicals. Alternative Names: 1,4,9(11),16-Tetraenepregna-3,20-dione. Grades: Highly Purified. CAS No. 117048-56-3. Pack Sizes: 100mg. US Biological Life Sciences. USBiological 2
Worldwide
Pregna-1,4-diene-3,20-dione,21-(acetyloxy)-9-chloro-11-hydroxy-16-methyl-17-(1-oxobutoxy)-,(11b,16a)- Heterocyclic Organic Compound. Alternative Names: Icometasone enbutate, CID65877, 103466-73-5. CAS No. 103466-73-5. Molecular formula: C28H37ClO7. Mole weight: 521.042 g/mol. Purity: 0.96. IUPACName: [(8S,9R,10S,11S,13S,14S,16R,17R)-17-(2-acetyloxyacetyl)-9-chloro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl] butanoate. Canonical SMILES: CCCC (=O)OC1 (C (CC2C1 (CC (C3 (C2CCC4=CC (=O)C=CC43C)Cl)O)C)C)C (=O)COC (=O)C. Density: 1.26g/cm³. Catalog: ACM103466735. Alfa Chemistry. 5
Pregna-4,14-diene-3,20-dione Pregna-4,14-diene-3,20-dione. Group: Biochemicals. Alternative Names: Progesterone Impurity A. Grades: Highly Purified. CAS No. 24377-08-0. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C21H28O2. US Biological Life Sciences. USBiological 8
Worldwide
Pregna-4,14-diene-3,20-dione Pregna-4,14-diene-3,20-dione. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Pregna-4,14-diene-3,20-dione. CAS No. 24377-08-0. IUPAC Name: (8R,9S,10R,13R,17S)-17-acetyl-10,13-dimethyl-1,2,6,7,8,9,11,12,16,17-decahydrocyclopenta[a]phenanthren-3-one. Molecular Formula: C21H28O2. Mole Weight: 312.45. Catalog: APS24377080. SMILES: CC (=O)[C@H]1CC=C2[C@@H]3CCC4=CC (=O)CC[C@]4 (C)[C@H]3CC[C@]12C. Format: Neat. Alfa Chemistry Analytical Products
Pregna-4,9(11),16-triene-3,20-dione Pregna-4,9(11),16-triene-3,20-dione. Group: Biochemicals. Grades: Highly Purified. CAS No. 21590-20-5. Pack Sizes: 5mg. US Biological Life Sciences. USBiological 3
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Pregna-?4,?9(11)?-?diene-?3,?20-?dione (90%) Pregna-4,?9(11)?-diene-3,?20-dione (90%). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Pregna-4,9(11)-diene-3,20-dione, 9-Dehydroprogesterone, Δ9(11)-Progesterone, Progesterone Imp. K (EP). CAS No. 17652-16-3. IUPAC Name: (8S,10S,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,6,7,8,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one. Molecular Formula: C21H28O2. Mole Weight: 312.45. Catalog: APS17652163. SMILES: CC (=O)[C@H]1CC[C@H]2[C@@H]3CCC4=CC (=O)CC[C@]4 (C)C3=CC[C@]12C. Format: Neat. Alfa Chemistry Analytical Products
Pregnadiene Triflate Acetate A derivative of pregnadiene. A pregnadiene is a diene derivative of a pregnane. Grades: > 95%. Molecular formula: C24H31F3O6S. Mole weight: 504.57. BOC Sciences 7
Pregnanediol Pregnanediol is the major metabolite of progesterone and can be excreted via urine. Pregnanediol offers an indirect way to measure progesterone levels in vivo [1]. Uses: Scientific research. Group: Natural products. Alternative Names: NSC 1612; NSC 47462. CAS No. 80-92-2. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-107850. MedChemExpress MCE
Pregnanediol 3a-O-b-D-glucuronide Pregnanediol 3a-O-b-D-glucuronide, an indispensable biomarker in the field of biomedicine, serves as a crucial diagnostic and monitoring tool for hormonal diseases. By reflecting the metabolic pathways of progesterone, this compound enables the assessment of hormonal imbalances and the evaluation of therapeutic interventions. In biomedical research and clinical environments, its significance lies in facilitating the accurate detection of diseases and the evaluation of treatment effectiveness. Synonyms: (3a,5b,20S)-20-Hydroxypregnan-3-yl b-D-glucopyranosiduronic acid; 20a-Hydroxy-5b-pregnan-3a-yl b-D-glucopyranosiduronic acid; 5b-Pregnane-3a,20a-diol glucuronide. CAS No. 1852-49-9. Molecular formula: C27H44O8. Mole weight: 496.63. BOC Sciences 11
Pregnanediol 3a-O-b-D-glucuronide BSA conjugate BOC Sciences 11
Pregnanediol 3-glucuronide Pregnanediol 3-glucuronide is the major terminal metabolite of progesterone, playing an important role in physiological processes, such as the female menstrual cycle, pregnancy (supports gestation), embryogenesis and maternal immune response of humans and other species [1]. Uses: Scientific research. Group: Natural products. CAS No. 1852-49-9. Pack Sizes: 5 mg. Product ID: HY-W040047. MedChemExpress MCE
PREGNANETRIOL Steroids. CAS No. 1098-45-9. Mole weight: 336.51. Appearance: White powder. ECNumber: 214-148-0. Catalog: ACM1098459. Alfa Chemistry. 4
Pregnanetriol 3a-O-b-D-glucuronide Pregnanetriol 3a-O-b-D-glucuronide is a prominent biomarker extensively utilized within the biomedical industry, holding paramount significance in studying bile acid metabolic status. Profoundly implicated in the research of liver ailments, encompassing cholestasand hepatocellular carcinoma, this compound assumes a pivotal role. Synonyms: (3a,5b,20S)-17,20-Dihydroxypregnan-3-yl b-D-glucopyranosiduronic acid; 17,20a-Dihydroxy-5b-pregnan-3a-yl, b-D-glucopyranosiduronic acid. CAS No. 74915-85-8. Molecular formula: C27H44O9. Mole weight: 512.63. BOC Sciences 11
Pregnanolone Pregnanolone, also known as Kabi-2213, SKF 6455, Eltanolone, is a GABAA receptor positive allosteric modulator potentially for the treatment of pain. Uses: Anesthetics. Synonyms: Pregnanolone; Kabi-2213; Kabi 2213; Kabi2213; SKF 6455; SKF6455; Eltanolone; 3a5b-Pregnanolone. CAS No. 128-20-1. Molecular formula: C21H34O2. Mole weight: 318.49. BOC Sciences 10
Pregnanolone sulfate pyridinium salt High Purity Salts. CAS No. 124107-39-7. Mole weight: 477.7. Purity: 99%+. IUPACName: [(3R,5R,8R,9S,10S,13S,14S,17S)-17-Acetyl-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl] sulfate;pyridin-1-ium. Canonical SMILES: CC (=O)C1CCC2C1 (CCC3C2CCC4C3 (CCC (C4)OS (=O) (=O)[O-])C)C. C1=CC=[NH+]C=C1. Catalog: ACM124107397. Alfa Chemistry. 5
Pregnant mare serum gonadotropin Pregnant mare serum gonadotropin (PMSG) is a gonadotropin used to promote follicular development and ovulation in animals. PMSG exerts its regulatory effects by stimulating changes in blood hormones, gonadotropins, and cytoplasmic estradiol receptors in the anterior pituitary and hypothalamus. PMSG is commonly used in livestock to improve reproductive efficiency and can also be utilized for research on estrous cycle regulation [1]. Uses: Scientific research. Group: Natural products. Alternative Names: PMSG. CAS No. 9002-70-4. Pack Sizes: 1 KU. Product ID: HY-N12634. MedChemExpress MCE
1-[[ (1, 1-Dimethylethyl) dimethylsilyl]oxy]-11, 17-dihydroxy-6-methyl-pregna-1, 4-diene-3, 20-dione 1-[[ (1, 1-dimethylethyl) dimethylsilyl]oxy]-11, 17-dihydroxy-6-methyl-pregna-1, 4-diene-3, 20-dione is an intermediate in the synthesis of 17-Dehydroxy-6α-methyl-11-oxo Prednisolone 21-Acetate which is a metabolite of 6α-Methyl Prednisolone (M325934); a glucocorticoid which displays anti-inflammatory and antioxidant properties and attenuates apoptosis in oligodendrocytes after injury. Also neuroprotective. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 25mg, 50mg. Molecular Formula: C28H44O5Si. US Biological Life Sciences. USBiological 9
Worldwide
(11α)-11,17-Dihydroxy-21,21-diiodo-pregna-1,4-diene-3,20-dione (11α)-11,17-Dihydroxy-21,21-diiodo-pregna-1,4-diene-3,20-dione is derived from 11α-Hydroxy Progesterone (H952335), which is a Progesterone (P755900) metabolite. Group: Biochemicals. Grades: Highly Purified. CAS No. 1667725-56-5. Pack Sizes: 1mg, 5mg. Molecular Formula: C21H26I2O4, Molecular Weight: 596.24. US Biological Life Sciences. USBiological 9
Worldwide
11α,17α,21-Trihydroxy-16α-methyl-1,4-pregnadiene-3,20-dione 11α,17α,21-Trihydroxy-16α-methyl-1,4-pregnadiene-3,20-dione is a 3-Keto-Δ1(2)-Δ4(5) steroid that can be synthesized from Dexamethasone 9,11-Epoxide (D298795). Group: Biochemicals. Grades: Highly Purified. CAS No. 78761-59-8. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C22H30O5, Molecular Weight: 374.47. US Biological Life Sciences. USBiological 9
Worldwide
11α,17α,21-Trihydroxy-16α-methyl-1,4-pregnadiene-3,20-dione 11α,17α,21-Trihydroxy-16α-methyl-1,4-pregnadiene-3,20-dione is an impurity of Desoximetasone, which is a synthetic corticosteroid used as an anti-inflammatory and anti-pruritic agent. Synonyms: (11α,16α)-11,17,21-Trihydroxy-16-methylpregna-1,4-diene-3,20-dione; Dob-AA; Pregna-1,4-diene-3,20-dione, 11,17,21-trihydroxy-16-methyl-, (11α,16α)-; 11α,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione; Desoximetasone Impurity 13. Grades: 97%. CAS No. 78761-59-8. Molecular formula: C22H30O5. Mole weight: 374.47. BOC Sciences 8
(11 β)-11,17,21-Trihydroxy-pregna-1,4,8-triene-3,20-dione (11 β)-11,17,21-Trihydroxy-pregna-1,4,8-triene-3,20-dione is a metabolite of Cortisol (H714615), a steroid hormone, more specifically a glucocorticoid. Group: Biochemicals. Grades: Highly Purified. CAS No. 5492-28-4. Pack Sizes: 10mg, 100mg. Molecular Formula: C21H26O5, Molecular Weight: 358.43. US Biological Life Sciences. USBiological 9
Worldwide
(11 β)-11,21-Bis(acetyloxy)pregna-4,16-diene-3,20-dione (11 β)-11,21-Bis(acetyloxy)pregna-4,16-diene-3,20-dione. Group: Biochemicals. Grades: Highly Purified. CAS No. 107952-99-8. Pack Sizes: 500mg. US Biological Life Sciences. USBiological 3
Worldwide
(11Β)-11,21-Bis(Acetyloxy)Pregna-4,16-Diene-3,20-Dione Lipids. CAS No. 107952-99-8. Molecular formula: C25H32O6. Mole weight: 428.52. Catalog: ACM107952998. Alfa Chemistry. 4
(11 β)-11-(Acetyloxy)-20-hydroxy-3-oxo-pregna-4,17(20)-dien-21-al (11 β)-11-(Acetyloxy)-20-hydroxy-3-oxo-pregna-4,17(20)-dien-21-al. Group: Biochemicals. Grades: Highly Purified. CAS No. 1089670-72-3. Pack Sizes: 25mg. US Biological Life Sciences. USBiological 3
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(11 β )?-11-?Hydroxy-?17, ?20: 20, ?21-?bis[methylenebis (oxy?)?]-pregna-?1, ?4-?dien-?3-?one-d8 (11 β )?-11-?Hydroxy-?17, ?20: 20, ?21-?bis[methylenebis (oxy?)?]-pregna-?1, ?4-?dien-?3-?one-d8 is an intermediate in synthesizing Prednisolone-d8 Acetate (P703752), a labelled Prednisolone Acetate (P703750). Synthetic corticosteroid; metabolically interconvertible with Prednisone (P703780). Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C23H22D8O6. US Biological Life Sciences. USBiological 9
Worldwide
(11 β,16α)-11-Hydroxy-16-methyl-17,21-bis(1-oxoacetoxy)-pregna-1,4-diene-3,20-dione (11 β,16α)-11-Hydroxy-16-methyl-17,21-bis(1-oxoacetoxy)-pregna-1,4-diene-3,20-dione is an intermediate in the synthesis of (16 β)-17,21-Dihydroxy-16 β-methyl-pregna-1,4,9(11)-triene-3,20-dione whi is used in biological studies to perform preclinical characterization of VBP15, a novel anti-inflammatory delta 9,11 steroid. This compound is also used in analytical studies to determine the stability from reversed-phase high performance liquid chromatography (RP-HPLC) to separate low levels of dexamethasone and other related compounds from betametasone, which is an active pharmaceutical ingredient. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 25mg. Molecular Formula: C26H34O7, Molecular Weight: 458.54. US Biological Life Sciences. USBiological 9
Worldwide
(11β,16α)-11-Hydroxy-16-methyl-17,21-bis(1-oxoacetoxy)-pregna-1,4-diene-3,20-dione (11β,16α)-11-Hydroxy-16-methyl-17,21-bis(1-oxoacetoxy)-pregna-1,4-diene-3,20-dione is an impurity of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: [2-[(8S,9S,10R,11S,13S,14S,16R,17R)-17-acetyloxy-11-hydroxy-10,13,16-trimethyl-3-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate. Molecular formula: C26H34O7. Mole weight: 458.54. BOC Sciences 8
(11β,16α)-21-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-pregna-1,4-diene-3,20-dione (11β,16α)-21-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-pregna-1,4-diene-3,20-dione is a derivative of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: Pregna-1,4-diene-3,20-dione, 21-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-11,16,17-trihydroxy-, (11β,16α)-; (11β,16α)-21-{[Dimethyl(2-methyl-2-propanyl)silyl]oxy}-11,16,17-trihydroxypregna-1,4-diene-3,20-dione. CAS No. 1221150-20-4. Molecular formula: C27H42O6Si. Mole weight: 490.70. BOC Sciences 8
(11 β,16α)-9-Fluoro-11,16,17,21-tetrahydroxy-pregna-1,4-diene-3,20-dione-d2 3,20-Dioxime (11 β,16α)-9-Fluoro-11,16,17,21-tetrahydroxy-pregna-1,4-diene-3,20-dione-d2 3,20-Dioxime. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences. USBiological 3
Worldwide
(11 β , 16α )-9-Fluoro-11, 21, 21-trihydroxy-16, 17-[ (1-methylethylidene)bis (oxy)]. pregna-1,4-diene-3,20-dione (11 β , 16α )-9-Fluoro-11, 21, 21-trihydroxy-16, 17-[ (1-methylethylidene)bis (oxy)]pregna-1, 4-diene-3, 20-dione. Group: Biochemicals. Grades: Highly Purified. CAS No. 161740-69-8. Pack Sizes: 100mg. Molecular Formula: C24H31FO7, Molecular Weight: 450.5. US Biological Life Sciences. USBiological 3
Worldwide
(11 β , ?16α ) ?-9-?Fluoro-?11-?hydroxy-?17, ?21-?[ (1-?methoxypentylidene) ?bis (oxy) ?]?-?16-?methyl-pregna-?1, ?4-?diene-?3, ?20-?dione (11 β , ?16α ) ?-9-?Fluoro-?11-?hydroxy-?17, ?21-?[ (1-?methoxypentylidene) ?bis (oxy) ?]?-?16-?methyl-pregna-?1, ?4-?diene-?3, ?20-?dione is an intermediate in synthesizing Dexamethasone Valerate (D298870), an impurity of Dexamethasone (D298800), which is a glucocorticoid that is used as an anti-inflammatory agent. Dexamethasone regulates T cell survival, growth, and differentiation. Dexamethasone inhibits the induction of nitric oxide synthase. Group: Biochemicals. Grades: Highly Purified. CAS No. 1062-64-2. Pack Sizes: 25mg, 50mg. Molecular Formula: C28H39FO6, Molecular Weight: 490.6. US Biological Life Sciences. USBiological 9
Worldwide
(11 β,16α)-9-Fluoro-16,17,21-trihydroxyl-pregna-1,4-diene-3,11,20-trione 3,20-Dioxime (11 β,16α)-9-Fluoro-16,17,21-trihydroxyl-pregna-1,4-diene-3,11,20-trione 3,20-Dioxime. Group: Biochemicals. Alternative Names: (11 β,16α)-9-Fluoro-16,17,21-trihydroxyl-11-oxo-pregna-1,4-diene-3,20-dione 3,20-Dioxime. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 3
Worldwide
(11 β,16 β)-11,21-bis(acetyloxy)-2'-methyl-5'H-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione. (Deflazacort Impurity) (11 β,16 β)-11,21-bis(acetyloxy)-2'-methyl-5'H-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione, is an impurity of Deflazacort, which is a systemic corticosteroid, used for rheumatoid arthritis and lupus. Group: Biochemicals. Grades: Highly Purified. CAS No. 710951-92-1. Pack Sizes: 10mg, 100mg. Molecular Formula: C27H33NO7, Molecular Weight: 483.55. US Biological Life Sciences. USBiological 9
Worldwide
(11 β,16 β)-11-Hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-pregna-1,4-diene-3,20-dione (11 β,16 β)-11-Hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-pregna-1,4-diene-3,20-dione is an intermediate in the synthesis of (16 β)-16-Methyl-17,21-bis(1-oxopropoxy)pregna-1,4,9(11)-triene-3,20-dione (M294225), which is an impurity of Beclomethasone (B131000), a glucocorticoid. Used in chronic asthma and allergic rhinitis. Antiallergic, antiasthmatic (inhalant). Group: Biochemicals. Grades: Highly Purified. CAS No. 71934-47-9. Pack Sizes: 5mg, 25mg. Molecular Formula: C28H38O7. US Biological Life Sciences. USBiological 9
Worldwide
11β,16β,17α,21-Tetrahydroxypregna-1,4-diene-3,20-dione 11β,16β,17α,21-Tetrahydroxypregna-1,4-diene-3,20-dione is a derivative of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: (8S,9S,10R,11S,13S,14S,16S,17S)-11,16,17-trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one; (11β,16β)-11,16,17,21-Tetrahydroxypregna-1,4-diene-3,20-dione; 16β-Hydroxyprednisolone; Pregna-1,4-diene-3,20-dione, 11,16,17,21-tetrahydroxy-, (11β,16β)-. Grades: ≥95%. Molecular formula: C21H28O6. Mole weight: 376.44. BOC Sciences 8
11β,17,20α,21-Tetrahydroxypregna-1,4-dien-3-one 21-Acetate 11β,17,20α,21-Tetrahydroxypregna-1,4-dien-3-one 21-Acetate is an intermediate in the synthesis of Prednisolone, which is a glucocorticoid and an anti-inflammatory drug used to treat central nervous system disorders. Synonyms: Pregna-1,4-dien-3-one, 21-(acetyloxy)-11,17,20-trihydroxy-, (11β,20S)-; (11β,20S)-11,17,20-Trihydroxy-3-oxopregna-1,4-dien-21-yl acetate; NSC 82851; 21-(Acetyloxy)-11,17,20-trihydroxypregna-1,4-dien-3-one; (S)-2-((8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-hydroxyethyl acetate. Grades: ≥95%. CAS No. 2871-71-8. Molecular formula: C23H32O6. Mole weight: 404.50. BOC Sciences 8
11β,17,20β,21-Tetrahydroxypregna-1,4-dien-3-one 21-Acetate 11β,17,20β,21-Tetrahydroxypregna-1,4-dien-3-one 21-Acetate is an intermediate in the synthesis of Prednisolone, which is a synthetic glucocorticoid used to treat a variety of inflammatory and auto-immune conditions. Synonyms: (20R)-21-acetoxy-11beta,17,20-trihydroxy-3-oxo-1,4-pregnadiene; (11β,20R)-11,17,20-Trihydroxy-3-oxopregna-1,4-dien-21-yl acetate; Pregna-1,4-dien-3-one, 21-(acetyloxy)-11,17,20-trihydroxy-, (11β,20R)-; (R)-2-((8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-hydroxyethyl acetate. Grades: ≥95%. CAS No. 96346-38-2. Molecular formula: C23H32O6. Mole weight: 404.50. BOC Sciences 8
11 β,17,21-Trihydroxy-16 β-methylpregna-1,4,8-triene-3,20-dione 11 β,17,21-Trihydroxy-16 β-methylpregna-1,4,8-triene-3,20-dione is a pregnane derivative which is used as an inflammation inhibitor. Group: Biochemicals. Grades: Highly Purified. CAS No. 52092-04-3. Pack Sizes: 2.5mg, 10mg. Molecular Formula: C22H28O5, Molecular Weight: 372.45. US Biological Life Sciences. USBiological 9
Worldwide
11 β,17,21-Trihydroxy-pregna-1,4-diene-3,20-dione 21-p-Toluenesulfonate 11 β,17,21-Trihydroxy-pregna-1,4-diene-3,20-dione 21-p-Toluenesulfonate is an intermediate used in the synthesis of 21-Deoxyprednisolone (D249855), which is an analog of Prednisolone (P703740), a synthetic corticosteroid; metabolically interconvertible with Prednisone (P703780). It is also used in the synthesis of another corticosteroid, anti-inflammatory, Rimexolone (R422500). Group: Biochemicals. Grades: Highly Purified. CAS No. 110558-70-8. Pack Sizes: 5mg, 10mg. Molecular Formula: C28H34O7S, Molecular Weight: 514.63. US Biological Life Sciences. USBiological 9
Worldwide
11beta,17,21-Trihydroxypregna-4,6-diene-3,20-dione 21-Acetate 11beta,17,21-Trihydroxypregna-4,6-diene-3,20-dione 21-Acetate. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 11β,17,21-Trihydroxypregna-4,6-diene-3,20-dione 21-Acetate,Pregna-4,6-diene-3,20-dione, 21-(acetyloxy)-11,17-dihydroxy-, (11β)- (9CI), Pregna-4,6-diene-3,20-dione, 11β,17,21-trihydroxy-, 21-acetate (6CI,7CI,8CI), Δ6-Cortisol 21-acetate. CAS No. 21940-45-4. IUPAC Name: [2-[(8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-2,8,9,11,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate. Molecular Formula: C23H30O6. Mole Weight: 402.48. Catalog: APS21940454. SMILES: CC (=O)OCC (=O)[C@@]1 (O)CC[C@H]2[C@@H]3C=CC4=CC (=O)CC[C@]4 (C)[C@H]3[C@@H] (O)C[C@]12C. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products
11 β,17-Dihydroxy-6α-methyl-pregna-1,4-diene-20-dione 17-Acetate 11 β,17-Dihydroxy-6α-methyl-pregna-1,4-diene-20-dione 17-Acetate is an intermediate in the synthesis of Deltamedrane which is an impurity in the synthesis of Fluorometholone (F593145), a glucocorticoid; anti-inflammatory. Group: Biochemicals. Grades: Highly Purified. CAS No. 23075-18-5. Pack Sizes: 10mg, 25mg. Molecular Formula: C24H32O5. US Biological Life Sciences. USBiological 9
Worldwide
(11 β,17E)-11,20-dihydroxy-3-oxo-pregna-4,17(20)-dien-21-al (11 β,17E)-11,20-dihydroxy-3-oxo-pregna-4,17(20)-dien-21-al is a derivative of cortisol and an isomer of (11 β,17Z)-11,20-dihydroxy-3-oxo-pregna-4,17(20)-dien-21-al (D453910). (11 β,17E)-11,20-dihydroxy-3-oxo-pregna-4,17(20)-dien-21-al is a useful compound to investigate liver metabolites in mice. Group: Biochemicals. Grades: Highly Purified. CAS No. 105562-12-7. Pack Sizes: 10mg, 25mg. Molecular Formula: C21H28O4, Molecular Weight: 344.44. US Biological Life Sciences. USBiological 9
Worldwide
(11 β,17Z)-11,20-Dihydroxy-3-oxo-pregna-4,17(20)-dien-21-al (11 β,17Z)-11,20-dihydroxy-3-oxo-pregna-4,17(20)-dien-21-al is a derivative of cortisol and an isomer of (11 β,17E)-11,20-dihydroxy-3-oxo-pregna-4,17(20)-dien-21-al (D453910). (11 β,17Z)-11,20-dihydroxy-3-oxo-pregna-4,17(20)-dien-21-al is a useful compound to investigate liver metabolites in mice. Group: Biochemicals. Grades: Highly Purified. CAS No. 105562-13-8. Pack Sizes: 10mg, 25mg. Molecular Formula: C21H28O4, Molecular Weight: 344.44. US Biological Life Sciences. USBiological 9
Worldwide
(11 β,17Z)-11-Hydroxy-3-oxo-pregna-1,4,17(20)-trien-21-al 20-O-Phosphate Disodium Salt (11 β,17Z)-11-Hydroxy-3-oxo-pregna-1,4,17(20)-trien-21-al 20-O-Phosphate Disodium Salt is an impurity of Prednisolone (P703740); a synthetic corticosteroid that is metabolically interconvertible with Prednisone (P703780). Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 25mg. Molecular Formula: C21H25Na2O7P, Molecular Weight: 466.37. US Biological Life Sciences. USBiological 9
Worldwide
(11β,17Z)-11-Hydroxy-3-oxo-pregna-1,4,17(20)-trien-21-al 20-O-Phosphate Disodium Salt (11β,17Z)-11-Hydroxy-3-oxo-pregna-1,4,17(20)-trien-21-al 20-O-Phosphate Disodium Salt is an impurity of Prednisolone, which is a synthetic glucocorticoid, a derivative of cortisol, and can be used to treat a variety of inflammatory and auto-immune conditions. Synonyms: Prednisolone Impurity. Molecular formula: C21H25Na2O7P. Mole weight: 466.37. BOC Sciences 7
(11 β)-21-(Acetyloxy)-3-ethoxy-11,17-dihydroxy-pregna-3,5-dien-20-one Glucocorticoid. Group: Biochemicals. Alternative Names: 3-Ethoxy-11 β,17,21-trihydroxy-pregna-3,5-dien-20-one 21-Acetate. Grades: Highly Purified. CAS No. 56736-68-6. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 1
Worldwide
(11 β)-21-Chloro-9-fluoro-11-hydroxy-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione (11 β)-21-Chloro-9-fluoro-11-hydroxy-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione, cna be an impurity of Isoflupredone (I816600), an nti-inflammatorya agent. Group: Biochemicals. Grades: Highly Purified. CAS No. 68791-68-4. Pack Sizes: 1mg, 5mg. Molecular Formula: C24H30ClFO5, Molecular Weight: 452.94. US Biological Life Sciences. USBiological 9
Worldwide
(11 β)-9-Fluoro-11,21-dihydroxy-16-methyl-pregna-1,4,16-triene-3,20-dione (11 β)-9-Fluoro-11,21-dihydroxy-16-methyl-pregna-1,4,16-triene-3,20-dione is a derivative of Dexamethasone (D298800), an anti-inflammatory glucocorticoid. Group: Biochemicals. Grades: Highly Purified. CAS No. 59860-99-0. Pack Sizes: 10mg, 100mg. Molecular Formula: C22H27FO4, Molecular Weight: 374.45. US Biological Life Sciences. USBiological 9
Worldwide
11 β-Hydroxy-16 β-methyl-17,20:20,21-bis(methylenedioxy)-pregna-1,4-dien-3-one 11 β-Hydroxy-16 β-methyl-17,20:20,21-bis(methylenedioxy)-pregna-1,4-dien-3-one is an intermediate used in the synthesis of 16 β-Methyl-17α-Dihydroxypregna-1,4-diene-3,20-dione, which is an intermediate in the synthesis of 17,21-dihydroxy-16 β-methylpregna-1,4-diene-3,20-dione, a corticoid with the potential for ant-iinflammatory activity. Group: Biochemicals. Grades: Highly Purified. CAS No. 117895-92-8. Pack Sizes: 25mg, 50mg. Molecular Formula: C24H32O6, Molecular Weight: 416.51. US Biological Life Sciences. USBiological 9
Worldwide
11 β-Hydroxy-5α-pregnane-3,20-dione 11 β-Hydroxy-5α-pregnane-3,20-dione. Group: Biochemicals. Grades: Highly Purified. CAS No. 565-94-6. Pack Sizes: 5mg, 10mg. Molecular Formula: C21H32O3, Molecular Weight: 332.48. US Biological Life Sciences. USBiological 9
Worldwide
11 β-Hydroxy-6,16α-dimethyl-17,20:20,21-bis(methylenedioxy)-pregna-1,4,6-trien-3-one 11 β-Hydroxy-6,16α-dimethyl-17,20:20,21-bis(methylenedioxy)-pregna-1,4,6-trien-3-one is a glucocorticoid intermediate formed during the preparation of Cortivazol (C696700). Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 500ug. US Biological Life Sciences. USBiological 3
Worldwide
13-Ethyl-17α-trimethylsilylethynyl-3-triflate-18,19-dinor-pregna-3,5-dien-17-ol Protected EP Levonorgestrel impurity C. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences. USBiological 2
Worldwide
13-Ethyl-17α-trimethylsilylethynyl-3-triflate-18,19-dinor-pregna-3,5-dien-17-ol Trimethylsilyl Ether Protected EP Levonorgestrel impurity C. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences. USBiological 2
Worldwide
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-1,4-dien-20-yn-3-one 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-1,4-dien-20-yn-3-one is an intermediate in synthesizing 1(10)-Dehydro-4(5)-dihydro D-(-)-Norgestrel (D229930), which is a Norgestrel (N689500) impurity. Group: Biochemicals. Grades: Highly Purified. CAS No. 5823-82-5. Pack Sizes: 500ug, 1mg. Molecular Formula: C21H26O2. US Biological Life Sciences. USBiological 9
Worldwide
13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregna-4,8(14)-dien-20-yn-3-one Heterocyclic Organic Compound. Alternative Names: 13-ethyl-17-hydroxy-18,19-dinor-17Alpha-pregna-4,8(14)-dien-20-yn-3-one. CAS No. 110785-09-6. Molecular formula: C21H26O2. Mole weight: 310.43. Purity: 0.96. IUPACName: (9R,10R,13R,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,9,10,11,12,15,16-decahydrocyclopenta[a]phenanthren-3-one. Canonical SMILES: CCC12CCC3C4CCC (=O)C=C4CCC3=C1CCC2 (C#C)O. Catalog: ACM110785096. Alfa Chemistry.
13-Ethyl-3,17α-trimethylsilylethynyl-18,19-dinor-pregna-3,5-dien-17-ol Protected EP Levonorgestrel impurity C. Group: Biochemicals. Alternative Names: Ditetramethylsilane Levonorgestrel Impurity C. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences. USBiological 2
Worldwide
13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol (Levo Norgestrel Impurity) EP Levonorgestrel impurity C. Group: Biochemicals. Alternative Names: Levonorgestrel Impurity C. Grades: Highly Purified. CAS No. 1337972-89-0. Pack Sizes: 2.5mg. US Biological Life Sciences. USBiological 2
Worldwide
1,4-Pregnadien-3,20-dione Heterocyclic Organic Compound. Alternative Names: PREGNA-1,4-DIENE-3,20-DIONE;1-DEHYDROPROGESTERONE;1,4-PREGNADIEN-3,20-DIONE;DELTA1-PROGESTERONE. CAS No. 1162-54-5. Molecular formula: C21H28O2. Mole weight: 312.45. Catalog: ACM1162545. Alfa Chemistry. 2
16a,17,21-Trihydroxy-pregna-1,4-diene-3,11,20-trione 16a,17,21-Trihydroxy-pregna-1,4-diene-3,11,20-trione. Group: Biochemicals. Grades: Highly Purified. CAS No. 3754-05-0. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C21H26O6. US Biological Life Sciences. USBiological 8
Worldwide
(16a)-21-(Acetyloxy)-16-methyl-pregna-1,4,9(11)-triene-3,20-dione (16a)-21-(Acetyloxy)-16-methyl-pregna-1,4,9(11)-triene-3,20-dione. Group: Biochemicals. Alternative Names: 21-Acetoxy-16a-methylpregna-1,4,9-(11)-triene-3,20-dione. Grades: Highly Purified. CAS No. 4258-83-7. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C24H30O4. US Biological Life Sciences. USBiological 6
Worldwide
16α,17,21-Trihydroxy-pregna-1,4-diene-3,11,20-trione A metabolite of Budesonide , an antiinflammatory agent. Group: Biochemicals. Alternative Names: 16α-Hydroxy Prednisone. Grades: Highly Purified. CAS No. 3754-05-0. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 3
Worldwide
16 Alpha,17-epoxy-3 beta-hydroxy-5 alpha-pregnan-20-one Steroidal Compounds. CAS No. 1097-50-3. Molecular formula: C21H32O3. Mole weight: 332.48. Purity: 95%+. Catalog: ACM1097503. Alfa Chemistry. 4
(16α ) -17-Hydroxy-16-methyl-21-[ (methylsulfonyl) oxy]pregna-1, 4, 9 (11) -triene-3, 20-dione (16α ) -17-Hydroxy-16-methyl-21-[ (methylsulfonyl) oxy]pregna-1, 4, 9 (11) -triene-3, 20-dione, can be an impurity of Betamethasone (B327000), a glucocorticoid used as an anti-inflammatory agent. Group: Biochemicals. Grades: Highly Purified. CAS No. 23776-75-2. Pack Sizes: 1mg. Molecular Formula: C23H30O6S, Molecular Weight: 434.55. US Biological Life Sciences. USBiological 9
Worldwide
(16α)-21-(Acetyloxy)-16-methyl-d3-pregna-1,4,9(11)-triene-3,20-dione Used in the preparation of amino steroids useful in the treatment of neurological disorders. Group: Biochemicals. Alternative Names: 21-Acetoxy-16α-methyl-d3-pregna-1,4,9-(11)-triene-3,20-dione. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences. USBiological 3
Worldwide
(16α)-21-(Acetyloxy)-16-methyl-pregna-1,4,9(11)-triene-3,20-dione Used in the preparation of amino steroids useful in the treatment of neurological disorders. Group: Biochemicals. Alternative Names: 21-Acetoxy-16α-methylpregna-1,4,9-(11)-triene-3,20-dione. Grades: Highly Purified. CAS No. 4258-83-7. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 1
Worldwide
(16α)-21-Chloro-17-[(2-furanylcarbonyl)oxy]-16-methyl-pregna-1,4-diene-3,11,20-trione Impurity of Mometasone Furoate, a topical corticosteroid used as an anti-inflammatory. Group: Biochemicals. Alternative Names: Mometasone Furoate Impurity. Grades: Highly Purified. CAS No. 1305334-31-9. Pack Sizes: 2.5mg. US Biological Life Sciences. USBiological 3
Worldwide
(16alpha)-21-Chloro-17-[(2-furanylcarbonyl)oxy]-16-methyl-pregna-1,4-diene-3,11,20-trione Mometasone (16alpha)-21-Chloro-17-[(2-furanylcarbonyl)oxy]-16-methyl-pregna-1,4-diene-3,11,20-trione Mometasone. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1305334-31-9. IUPAC Name: [(8S,9S,10R,13S,14S,16R,17R)-17-(2-chloroacetyl)-10,13,16-trimethyl-3,11-dioxo-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl] furan-2-carboxylate. Molecular Formula: C27H29ClO6. Mole Weight: 484.97. Catalog: APS1305334319. SMILES: C[C@@H]1C[C@H]2[C@@H]3CCC4=CC (=O)C=C[C@]4 (C)[C@H]3C (=O)C[C@]2 (C)[C@@]1 (OC (=O)c5occc5)C (=O)CCl. Format: Neat. Alfa Chemistry Analytical Products
(16α)-3 β-(Acetyloxy)-16,17-dihydroxy-pregna-5,14-dien-20-one (16α)-3 β-(Acetyloxy)-16,17-dihydroxy-pregna-5,14-dien-20-one is used in the synthesis of Δ14,15-Algestone Acetophenide which is an impurity of Algestone (A532030). Algestone is a pregnane steroid, its acetonide is used as anti-inflammatory drug (topical) and combination with enanthate as injectable contraceptive. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 25mg. Molecular Formula: C23H32O5. US Biological Life Sciences. USBiological 9
Worldwide
(16α)-9-Fluoro-16,17,21-trihydroxy-pregna-1,4-diene-3,11,20-trione Triamcinolone (T767160) metabolite. Group: Biochemicals. Alternative Names: 9-Fluoro-16α,17,21-trihydroxy-pregna-1,4-diene-3,11,20-trione; 11-Oxo Triamcinolone. Grades: Highly Purified. CAS No. 3107-69-5. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 3
Worldwide
(16α)-9-Fluoro-16,17,21-trihydroxy-pregna-1,4-diene-3,11,20-trione 16, 21-Diacetate A protected Triamcinolone (T767160) metabolite. Group: Biochemicals. Alternative Names: 9-Fluoro-16α,17,21-trihydroxy-pregna-1,4-diene-3,11,20-trione Diacetate; 11-Oxo Triamcinolone Diacetate;; (16α)-16,21-Bis(acetyloxy)-9-fluoro-17-hydroxy-pregna-1,4-diene-3,11,20-trione. Grades: Highly Purified. CAS No. 1868-22-0. Pack Sizes: 25mg. US Biological Life Sciences. USBiological 3
Worldwide

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