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188174

(+)-4-Cholesten-3-one

98%

Synonym(s):

3-Keto-4-cholestene, 3-Oxo-4-cholestene, 4-Cholesten-3-one

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Size/SKUAvailabilityPrice
1 g

Available to ship TODAYfromMILWAUKEE

$36.90
10 g

Available to ship TODAYfromMILWAUKEE

$344.00
$258.00

About This Item

Empirical Formula (Hill Notation):
C27H44O
CAS Number:
601-57-0
Molecular Weight:
384.64
UNSPSC Code:
12352115
NACRES:
NA.22
PubChem Substance ID:
24851303
EC Number:
210-005-1
Beilstein/REAXYS Number:
2224119
MDL number:
MFCD00003663
Assay:
98%
Form:
solid

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Quality Segment

100

assay

98%

form

solid

optical activity

[α]23/D +91.0°, c = 2 in chloroform

mp

79-81 °C (lit.)

functional group

ketone

SMILES string

[H][C@@]12[C@]([C@](CC3)(C)C(CC2)=CC3=O)([H])CC[C@@]4(C)[C@@]1([H])CC[C@]4([H])[C@]([H])(C)CCCC(C)C

InChI

1S/C27H44O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h17-19,22-25H,6-16H2,1-5H3/t19-,22+,23-,24+,25+,26+,27-/m1/s1

InChI key

NYOXRYYXRWJDKP-GYKMGIIDSA-N

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This Item
C8128C2800151114
(+)-4-Cholesten-3-one 98%

Sigma-Aldrich

188174

(+)-4-Cholesten-3-one

5α-Cholestan-3-one crystalline

Sigma-Aldrich

C8128

5α-Cholestan-3-one

Cholesteryl phenylacetate ≥98% (HPLC; detection at 258 nm)

Sigma-Aldrich

C2800

Cholesteryl phenylacetate

Cholesteryl acetate 97%

Sigma-Aldrich

151114

Cholesteryl acetate

description

98%

description

crystalline

description

≥98% (HPLC; detection at 258 nm)

description

97%

assay

98%

assay

-

assay

≥98% (HPLC; detection at 258 nm)

assay

97%

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

mp

79-81 °C (lit.)

mp

128-130 °C (lit.)

mp

-

mp

112-114 °C (lit.)

form

solid

form

crystalline

form

crystalline powder

form

liquid crystal

functional group

ketone

functional group

-

functional group

ester

functional group

-

optical activity

[α]23/D +91.0°, c = 2 in chloroform

optical activity

-

optical activity

-

optical activity

[α]24/D −44°, c = 2 in chloroform

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Questions

  1. In the certificate of 4-cholesten-3-one 188174-1G lot # STBH6865 there is no information about the experiation date. Could you please sent me this information?

    1 answer

    1. This product is not assigned an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one-year warranty from the date of shipment.

      For more information, you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services.

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