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R0500

Sigma-Aldrich

Reichstein′s substance S

≥98%

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Synonym(s):
11-Deoxy-17-hydroxycorticosterone, 11-Deoxycortisol, 17α,21-Dihydroxy-4-pregnene-3,20-dione, 17α-Hydroxycortexone, 17,21-Dihydroxy-4-pregnene-3,20-dione, 17,21-Dihydroxyprogesterone, 4-Pregnene-17α,21-diol-3,20-dione, Cortexolone, Reichstein’s Compound S
Empirical Formula (Hill Notation):
C21H30O4
CAS Number:
Molecular Weight:
346.46
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

Assay

≥98%

form

powder

mp

208 °C (dec.) (lit.)

solubility

ethanol: 50 mg/mL, clear, colorless to faint yellow or tan

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@@]4(C)[C@H]3CC[C@]4(O)C(=O)CO

InChI

1S/C21H30O4/c1-19-8-5-14(23)11-13(19)3-4-15-16(19)6-9-20(2)17(15)7-10-21(20,25)18(24)12-22/h11,15-17,22,25H,3-10,12H2,1-2H3/t15-,16+,17+,19+,20+,21+/m1/s1

InChI key

WHBHBVVOGNECLV-OBQKJFGGSA-N

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This Item
PHR2158D6875P9521
Hydrocortisone Impurity F Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR2158

Hydrocortisone Impurity F

21-Hydroxyprogesterone ≥97% (HPLC)

Sigma-Aldrich

D6875

21-Hydroxyprogesterone

21-Deoxycortisol

Sigma-Aldrich

P9521

21-Deoxycortisol

form

powder

form

-

form

powder

form

powder

mp

208 °C (dec.) (lit.)

mp

208 °C (dec.) (lit.)

mp

-

mp

-

solubility

ethanol: 50 mg/mL, clear, colorless to faint yellow or tan

solubility

-

solubility

ethanol: 50 mg/mL, clear, colorless to very faintly yellow

solubility

ethanol: 9.80-10.20 mg/mL, clear, colorless

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

-

application(s)

-

application(s)

-

storage temp.

room temp

storage temp.

-10 to -25°C

storage temp.

room temp

storage temp.

room temp

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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