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1-[(3 β,7α)-3-(Acetyloxy)cholesta-5,8-dien-7-yl]-1,2-hydrazinedicarboxylic Acid 1,2-Diisoprpyl Ester is an intermediate in the synthesis of Zymostenol, which is the derivative of Zymosterol (Z701520), an sterol intermediate in the biosynthesis of cholesterol (C432501). Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 50mg, 100mg. Molecular Formula: C37H60N2O6. US Biological Life Sciences.
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(1α,3 β,10α)-Cholesta-5,7-diene-1,3,25-triol
(1α,3 β,10α)-Cholesta-5,7-diene-1,3,25-triol is a natural secondary steroid used to determine the signal transduction pathways for rapid and genomic responses to calcitriol discrimination between different agonist shapes. Group: Biochemicals. Grades: Highly Purified. CAS No. 156197-52-3. Pack Sizes: 500ug, 5mg. Molecular Formula: C27H44O3. US Biological Life Sciences.
(1α,3 β)-9,10-Secocholesta-5(10),8-dien-6-yne-1,3,25-triol is an intermediate in synthesizing (1α,3 β,9 β)-Cholesta-5,7-diene-1,3,25-triol (C431410), which is a natural secondary steroid used to determine the signal transduction pathways for rapid and genomic responses to calcitriol discrimination between different agonist shapes. Group: Biochemicals. Grades: Highly Purified. CAS No. 134458-49-4. Pack Sizes: 500ug, 1mg. Molecular Formula: C27H42O3. US Biological Life Sciences.
Worldwide
(1α,3 β,9 β)-Cholesta-5,7-diene-1,3,25-triol
(1α,3 β,9 β)-Cholesta-5,7-diene-1,3,25-triol is a natural secondary steroid used to determine the signal transduction pathways for rapid and genomic responses to calcitriol discrimination between different agonist shapes. Group: Biochemicals. Grades: Highly Purified. CAS No. 168609-17-4. Pack Sizes: 500ug, 5mg. Molecular Formula: C27H44O3. US Biological Life Sciences.
2-[(3 β)-Cholesta-5,24-dien-3-yloxy]tetrahydro-2H-pyran is an protected intermediate in the synthesis of Desmosterol (D296860), a metabolite of Cholesterol (C432501). Group: Biochemicals. Alternative Names: Cholestane, 2H-Pyran Deriv. Grades: Highly Purified. CAS No. 51231-31-3. Pack Sizes: 10mg. US Biological Life Sciences.
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3b-Cholesta-5,24-Dien-3-Ol
3b-Cholesta-5,24-Dien-3-Ol. Group: Biochemicals. Alternative Names: Desmosterol. Grades: Highly Purified. CAS No. 313-04-2. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C27H44O. US Biological Life Sciences.
(3 β,22E)-3,25-Dihydroxy-cholesta-5,22-dien-24-one 3-Acetate is an intermediate in the preparation of dihydroxyvitamin D2 (D455085). Group: Biochemicals. Alternative Names: (3 β,22E)-3-(Acetyloxy)-25-hydroxy-cholesta-5,22-dien-24-one. Grades: Highly Purified. CAS No. 69425-74-7. Pack Sizes: 5mg. US Biological Life Sciences.
[[(3 β , 24E) -Cholesta-5, 24-dien-3-yl-26-13C]oxy] (1, 1-dimethylethyl) dimethylsilane is an protected intermediate in the synthesis of Desmosterol (D296860), a metabolite of Cholesterol (C432501). Group: Biochemicals. Alternative Names: Cholestane Silane Derivative-d6. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences.
9β,10α-cholesta-5,7-diene-3β,25-diol is a derivative of vitamin D3 and an impurity of calcifediol. Calcifediol is a prehormone produced in the liver from vitamin D3. Synonyms: Calcifediol EP Impurity A. CAS No. 61585-29-3. Molecular formula: C27H44O2. Mole weight: 400.645.
Cholesta-4,6-dien-3-one
A metabolite of Cholesterol. Group: Biochemicals. Alternative Names: 4,6-Cholestadien-3-one; NSC 119073. Grades: Highly Purified. CAS No. 566-93-8. Pack Sizes: 2.5mg. US Biological Life Sciences.
(1R, 3aR, 7aR) -1-[ (1R) -1, 5-Dimethyl-5-[ (trimethylsilyl) oxy]hexyl]-2, 3, 3a, 6, 7, 7a-hexahydro-7a-methyl-1H-inden-4-yl Ester 1,1,1-Trifluoro-methanesulfonic Acid is an intermediate in synthesizing (1α,3 β,9 β)-Cholesta-5,7-diene-1,3,25-triol (C431410), which is a natural secondary steroid used to determine the signal transduction pathways for rapid and genomic responses to calcitriol discrimination between different agonist shapes. Group: Biochemicals. Grades: Highly Purified. CAS No. 222317-53-5. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C22H39F3O4SSi. US Biological Life Sciences.
(1R, 3aR, 7aR) -1-[ (1R) -1, 5-Dimethyl-5-[ (trimethylsilyl) oxy]hexyl]octahydro-7a-methyl-4H-inden-4-one is an intermediate in synthesizing (1α,3 β,9 β)-Cholesta-5,7-diene-1,3,25-triol (C431410), which is a natural secondary steroid used to determine the signal transduction pathways for rapid and genomic responses to calcitriol discrimination between different agonist shapes. Group: Biochemicals. Grades: Highly Purified. CAS No. 81506-41-4. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C21H40O2Si. US Biological Life Sciences.
(1S, 2R, 4S, 6S)-2-Ethynyl-1-methyl-7-oxabicyclo[4. 1. 0]heptane-2, 4-diyl Diacetate is an intermediate in synthesizing (1α,3 β,9 β)-Cholesta-5,7-diene-1,3,25-triol (C431410), which is a natural secondary steroid used to determine the signal transduction pathways for rapid and genomic responses to calcitriol discrimination between different agonist shapes. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 100mg, 250mg. Molecular Formula: C13H16O5. US Biological Life Sciences.
Worldwide
20-Dehydro cholesterol 3-acetate
20-Dehydro cholesterol 3-acetate. Group: Biochemicals. Alternative Names: (3b,20E)-Cholesta-5,20(22)-dien-3-ol 3-acetate; Cholesta-5,20(22)-dien-3b-ol acetate. Grades: Highly Purified. CAS No. 54548-85-5. Pack Sizes: 1mg, 2mg, 5mg, 10mg. Molecular Formula: C29H46O2. US Biological Life Sciences.
Worldwide
(2,2,3,4,4-d5)-Zymosterol
Steroids2H Labeled Compounds. Alternative Names: (2,2,3,4,4-D5)-5α-Cholesta-8,24-dien-3ß-ol. CAS No. 1246298-29-2. Molecular formula: C27H39D5O. Mole weight: 389.67. Catalog: ACM1246298292.
22-Dehydro 25-Hydroxy Cholesterol 3-Acetate
Cholesterol derivative. Group: Biochemicals. Alternative Names: (3 β,22E)-Cholesta-5,22-diene-3,25-diol 3-Acetate. Grades: Highly Purified. CAS No. 157171-88-5. Pack Sizes: 5mg. US Biological Life Sciences.
Worldwide
22-Dehydro Cholesterol-d7 3-Acetate
Cholesterol derivative. Group: Biochemicals. Alternative Names: 5,22E-Cholestadien-3 β-ol-d7 Acetate; 5,22E-Cholestadien-3 β-yl-d7 Acetate; (3 β,22E)-Cholesta-5,22-dien-3-ol-d7 3-Acetate. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
25-Hydroxyprovitamin D3
25-Hydroxyprovitamin D3 is a derivative of vitamin D3 and an impurity of calcifediol. Calcifediol is a prehormone produced in the liver from vitamin D3. Synonyms: Calcifediol EP Impurity B; 25-Hydroxy-7-dehydrocholesterol; cholesta-5,7-diene-3β,25-diol; 7-Dehydro-25-hydroxycholesterol. CAS No. 22145-68-2. Molecular formula: C27H44O2. Mole weight: 400.645.
(3b)-7-Dehydro cholesterol. Group: Biochemicals. Alternative Names: Cholesta-5,7-dien-3b-ol; 7,8-Didehydrocholesterol; 7-Dehydrocholesterin. Grades: Highly Purified. CAS No. 434-16-2. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C27H44O. US Biological Life Sciences.
Worldwide
(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.
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.
Worldwide
(4α)-7-Dehydro-4,25-dihydroxycholesterol
Intermediate in the preparation of 4α,25-Dihydroxy Vitamin D3. Group: Biochemicals. Alternative Names: (3 β,4α)-Cholesta-5,7-diene-3,4,25-triol. Grades: Highly Purified. Pack Sizes: 500ug. US Biological Life Sciences.
Worldwide
4α-Methylzymosterol
4α-Methylzymosterol. Group: Biochemicals. Alternative Names: 4α-Methyl-Δ8,24-cholestenol; 4α-Methyl-5α-cholesta-8(9),24-dien-3 β-ol; (3 β, 4α, 5α)-4-Methyl-cholesta-8, 24-dien-3-ol; 4α-Methyl-Δ8,24-cholestenol. Grades: Highly Purified. CAS No. 7448-3-5. Pack Sizes: 1mg. Molecular Formula: C28H46O, Molecular Weight: 398.66. US Biological Life Sciences.
Worldwide
(4 β)-7-Dehydro-4,25-dihydroxycholesterol
Intermediate in the preparation of 4 β,25-Dihydroxy Vitamin D3. Group: Biochemicals. Alternative Names: (3 β,4 β)-Cholesta-5,7-diene-3,4,25-triol. Grades: Highly Purified. Pack Sizes: 500ug. US Biological Life Sciences.
Worldwide
7-Dehydrocholesterol
7-Dehydrocholesterol - Product ID: NST-10-88. Category: Sterols. Alternative Names: Cholesta-5,7-dien-3?-ol. Purity: 98%. Test method: HPLC. CAS No. 434-16-2. Pack Sizes: 5g, 10g, 25g, 50g. Appearance: White to beige colored Powder. Molecular formula: C27H44O. Mole weight: 384.65. Storage: +2 +8 °C.
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.
Delta-7-Avenasterol is an analog of Stigmasterol, which is a plant sterol that is used as a precursor in the synthesis of progesterone. It has antioxidant activity. Synonyms: Δ7-Avenasterol; (3β,5α,24Z)-Stigmasta-7,24(28)-dien-3-ol; (24Z)-24-Ethyl-5α-cholesta-7,24(28)-dien-3β-ol; (24Z)-5α-Stigmasta-7,24(28)-dien-3β-ol; (Z)-5α-Stigmasta-7,24(28)-dien-3β-ol; 24Z-Ethylidenelathosterol; 3β-Hydroxy-5α-stigmasta-7,24(28)Z-diene; 5α-Stigm. Grades: > 95%. CAS No. 23290-26-8. Molecular formula: C29H48O. Mole weight: 412.71.
Lumisterol 3 (>90%). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3β,9β,10α)-Cholesta-5,7-dien-3-ol,Cholesta-5,7-dien-3-ol, (3β,9β,10α)-, 9β,10α-Cholesta-5,7-dien-3β-ol (7CI,8CI), Lumisterol3. CAS No. 5226-1-7. IUPAC Name: (3S,9R,10S,13R,14R,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol. Molecular Formula: C27H44O. Mole Weight: 384.64. Catalog: APS5226017. SMILES: CC (C)CCC[C@@H] (C)[C@H]1CC[C@H]2C3=CC=C4C[C@@H] (O)CC[C@@]4 (C)[C@@H]3CC[C@]12C. Format: Neat.
Lumisterol 3 (Cholecalciferol EP Impurity C)
Lumisterol3 is an isomer of Vitamin D3. Lumisterol3 is used in the preparation of vitamin D analogs. Group: Biochemicals. Alternative Names: (3 β,9 β,10α)-Cholesta-5,7-dien-3-ol; 9 β,10α-Cholesta-5,7-dien-3 β-ol; Cholecalciferol EP Impurity C. Grades: Highly Purified. CAS No. 5226-1-7. Pack Sizes: 1mg. Molecular Formula: C27H44O, Molecular Weight: 384.64. US Biological Life Sciences.
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.
Stigmasta-4,22-dien-3-one
Stigmasta-4,22-dien-3-one can be found in the flower of Magnolia biondii. It has antioxidant activity. Uses: Antioxidant. Synonyms: 4,22-Cholestadien-24-ethyl-3-one. Grades: >98%. CAS No. 55722-32-2. Molecular formula: C29H46O. Mole weight: 410.7.
Stigmasterol
Plant sterol, used as a precursor in the synthesis of progesterone. Group: Biochemicals. Alternative Names: (3 β,22E)-Stigmasta-5,22-dien-3-ol; Stigmasta-5,22-dien-3 β-ol; 24-Ethyl-5,22-cholestadien-3 β-ol; 24 β-Ethyl-5,22-cholestadien-3 β-ol; NSC 8095; Stigmasterin; Serposterol. Grades: Highly Purified. CAS No. 83-48-7. Pack Sizes: 25g, 50g, 100g, 250g. Molecular Formula: C??H??O, Molecular Weight: 412.69. US Biological Life Sciences.
Worldwide
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