BRASSINOSTEROIDS (BRs)

油菜素内酯类化合物（Brassinosteroids，BRs），被认为是第六类植物激素，参与调节许多重要的植物生理活动，在提高作物的产量、品质、抗逆性（对外界不利环境的抵抗能力，如耐寒、耐盐、耐旱等）和抗病性等方面效果显著。

芸苔素内酯 BRASSINOLIDE(BL) [(22R,23R,24S)-2α,3α,22,23-tetrahydroxy-24-methyl-B-homo-7-oxa-5α-cholestan-6-one]

MW 480.69, crystalline; purity >95% (HPLC)
CAS: 72962-43-7; C28H48O6
	015 5891	1	mg
	015 5892	2	mg
	015 5893	5	mg

BRASSINONE(NBk) [28-norcastasterone, (22R,23R)-2α,3α,22,23-tetrahydroxy-5α-cholestan-6-one]

MW 450.66, crystalline; purity >98% (HPLC)
CAS: 83464-85-1; C27H46O5
	015 5631	1	mg
	015 5632	2	mg
	015 5633	5	mg

油菜甾醇 CAMPESTANOL (CAMP) [ (24R)-3-β-hydroxy-24-methyl-5α-cholestane]

MW 402.71; crystalline; purity > 90% ( HPLC )
CAS: 474-60-2; C28H50O
	015 6781	100	µg
	015 6782	200	µg
	015 6783	500	µg

6-OXOCAMPESTANOL (OCAMP) [ (24R)-3-β-hydroxy-24-methyl-5α-cholestane-6-one]

MW 416.69; crystalline; purity > 90% ( HPLC )
CAS: 168113-32-4; C28H48O2
	015 6791	100	µg
	015 6792	200	µg
	015 6793	500	µg

CAMPESTEROL (CR) [3S,8S,9S,10R,13R,14S,17R)-17-[(2R,5R)-5,6-dimethylheptan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14, 15,16,17-dodecahydro-1H-cyclopentaphenanthren-3-ol]

MW 400.69; crystalline; purity > 98% ( HPLC )
CAS: NONE; C28H48O
	015 6921	100	µg
	015 6922	200	µg
	015 6923	500	µg

CASTASTERONE (Bk) [ (22R,23R,24S)-2α,3α,22,23-tetrahydroxy-24-methyl-5α-cholestan-6-one]

MW 464.69; crystalline; purity > 95% ( HPLC )
CAS: 80736-41-0; C28H48O5
	015 6651	1	mg
	015 6652	2	mg
	015 6653	5	mg

CATHASTERONE (CATH) [ (22S,24R)-3-β,22-dihydroxy-24-methyl-5α-cholestane-6-one]

MW 432.69; crystalline; purity > 95% ( HPLC )
CAS: 168146-23-4; C28H48O3
	015 6761	100	µg
	015 6762	200	µg
	015 6763	500	µg

6-DEOXOCATHASTERONE (DECATH) [ (22S,24R)-3-β,22-dihydroxy-24-methyl-5α-cholestane]

MW 418.71; crystalline; purity > 90% ( HPLC )
CAS: 198416-73-8; C28H50O2
	015 6771	100	µg
	015 6772	200	µg
	015 6773	500	µg

EPISECASTEROL [(22R,23R,24S)-5α,22,23-dihydroxy- ergost-2-en-6-one]

MW 430.68; crystalline; purity > 95% ( HPLC )
CAS: NONE; C28H46O3
	015 6671	100	µg
	015 6672	200	µg
	015 6673	500	µg

ERGOSTEROL (ERG) [5,7,22-Ergostatrien-3β-ol, provitamin D₂]

MW 396.66, crystalline; purity >95% (HPLC)
CAS: 57-87-4; C28H44O
	015 5731	5	g
	015 5732	25	g
	015 5733	100	g

EPIBRASSINOLIDE (EBI) [24-epibrassinolide, (22R,23R,24R)-2α,3α,22,23-tetrahydroxy-24-methyl-B-homo-7-oxa-5α-cholestane-6-one]

MW 480.69,crystalline; purity >98% (HPLC)
CAS: 78821-43-9; C28H48O6
	015 0201	5	mg
	015 0202	10	mg
	015 0203	50	mg

TRIS-EPIBRASSINOLIDE(TEBI) [(22S,23S,24R)-2α,3α,22,23-tetrahydroxy-24-methyl-B-homo-7-oxa-5α-cholestane-6-one]

MW 480.69, crystalline; purity >98% (HPLC)
CAS: 78821-42-8; C28H48O6
	015 5681	1	mg
	015 5682	2	mg
	015 5683	5	mg

EPICASTASTERONE (EBk) [24-epicastasterone, (22R,23R,24R)-2α,3α,22,23-tetrahydroxy-24-methyl-5α-cholestane-6-one]

MW 464.69,, crystalline: 241-245 oC, purity >98% (HPLC)
CAS: 72050-71-6; C28H48O5
	015 0901	1	mg
	015 0902	2	mg
	015 0903	5	mg

6-DEOXOCASTASTERONE (6deoxoCS) [(22R,23R,24R)-2α,3α,22,23-tetrahydroxy-24-methyl-5α-cholestane]

MW 450.71; crystalline; purity > 98% ( HPLC )
CAS: 87833-54-3; C28H50O4
	015 7511	100	µg
	015 7512	200	µg
	015 7513	500	µg

TRIS-EPICASTASTERONE(TEBk) [(22S,23S,24R)-2α,3α,22,23-tetrahydroxy-24-methyl-5α-cholestane-6-one]

MW 464.69, crystalline; purity >98% (HPLC)
CAS: 72050-69-2; C28H48O5
	015 5691	1	mg
	015 5692	2	mg
	015 5693	5	mg

23,24-TRIS-EPICASTASTERONE (TECs) [(22,23,24R)-2β,3β,22,23-tetrahydroxy-24-methyl-5α-cholestane-6-one]

MW 464.69, crystalline; purity >98% (HPLC)
CAS: 375396-54-6; C28H48O5
	015 5821	1	mg
	015 5822	2	mg
	015 5823	5	mg

3,24-DIEPICASTASTERONE (EBk3β) [(22R,23R,24R)-2α,3β,22,23-tetrahydroxy-24-methyl-5α-cholestane-6-one]

MW 464.69, crystalline; purity >98% (HPLC)
CAS: 121468-16-4; C28H4805
	015 0911	1	mg
	015 0912	2	mg
	015 0913	5	mg

6-DEOXO-24-EPICASTASTERONE (EBd)[(22R,23R,24R)-2α,3α,22,23-tetrahydroxy-24-methyl-5α-cholestane]

MW 450.71, crystalline; purity >98% (HPLC)
CAS: 169869-41-4; C28H50O4
	015 0921	1	mg
	015 0922	2	mg
	015 0923	5	mg

HOMOCASTASTERONE [(22R,23R,24S)-2α,3α,22,23-tetrahydroxy--24ethyl-5α-cholestan-6-one]

MW 478.72, crystalline; purity >95% (HPLC)
CAS: 83509-42-6; C29H50O5
	015 6011	1	mg
	015 6012	2	mg
	015 6013	5	mg

HOMOBRASSINOLIDE (HBI) [(22R,23R,24S)-2α,3α,22,23-tetrahydroxy-24-ethyl-B-homo-7-oxa-5α-cholestan-6-one]

MW 494.72, crystalline; purity >95% (HPLC)
CAS: 74174-44-0; C29H50O6
	015 6021	1	mg
	015 6022	2	mg
	015 6023	5	mg

NORBRASSINOLIDE (NBI) [28-norbrassinolide, (22R,23R)-2α,3α,22,23-tetrahydroxy-B-homo-7-oxa-5α-cholestan-6-one]

MW 466.66, crystalline; purity >98% (HPLC)
CAS: 77736-43-7; C27H46O6
	015 5621	1	mg
	015 5622	2	mg
	015 5623	5	mg

6-DEOXO-28-NORCASTASTERONE(NBd) [(22R,23R)-2α,3α,22,23-tetrahydroxy-5α-cholestane]

MW 436.68, crystalline; purity >98% (HPLC)
CAS: 169624-26-4; C27H48O4
	015 5641	100	µg
	015 5642	200	µg
	015 5643	500	µg

NORTEASTERONE (NTEA)[ (22R,23R)-3β-5α,3,22,23-trihydroxy- cholestan-6-one]

MW 434.67; crystalline; purity > 95% ( HPLC )
CAS: 105319-58-2; C27H46O4
	015 6661	100	µg
	015 6662	200	µg
	015 6663	500	µg

SS-HOMOCASTASTERONE [(22S,23S)-2α,3α,22,23-tetrahydroxy--24ethyl-5α-cholestan-6-one]

MW 478.72, crystalline; purity >95% (HPLC)
CAS: 80483-89-2; C29H50O5
	015 6051	1	mg
	015 6052	2	mg
	015 6053	5	mg

SS-HOMOBRASSINOLIDE [(22S,23S)-2α,3α,22,23-tetrahydroxy-24-ethyl-5α-cholestan-6-one]

MW 494.72, crystalline; purity >95% (HPLC)
CAS: 74174-44-0; C29H50O6
	015 6061	1	mg
	015 6062	2	mg
	015 6063	5	mg

TYPHASTEROL (TY)[(3α-5α,22R,23R,24S)-3,22,23-trihydroxy-Ergostan-6-one]

MW 448.69; crystalline; purity > 90% ( HPLC )
CAS: 87734-68-7; C27H46O4
	015 7161	100	µg
	015 7162	200	µg
	015 7163	500	µg

6-DEOXYTYPHASTEROL (6deoxoTY)[(3α-5α,22R,23R,24S)-Ergostane-3,22,23-triol]

MW 434.71; crystalline; purity > 90% ( HPLC )
CAS: 164034-47-3; C28H50O3
	015 7541	100	µg
	015 7542	200	µg
	015 7543	500	µg

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