Dexamethasone Phosphate

Modify Date: 2026-07-08 19:33:50

Dexamethasone Phosphate Structure
Dexamethasone Phosphate structure
Common Name Dexamethasone Phosphate
CAS Number 312-93-6 Molecular Weight 472.44100
Density 1.45g/cm3 Boiling Point 669.6ºC at 760mmHg
Molecular Formula C22H30FO8P Melting Point 154-157°C (lit.)
MSDS N/A Flash Point 358.7ºC

 Use of Dexamethasone Phosphate


Dexamethasone phosphate (Dexamethasone 21-phosphate) is a biologically inactive compound which undergoes dephosphorylation by intra-erythrocyte enzymes. The active metabolite, dexamethasone, is then released into the circulation by simple passive diffusion through cell membranes. Dexamethasone phosphate-encapsulated erythrocyte has the potential for steroid-dependent ulcerative colitis research[1].

Summary: Dexamethasone phosphate (CAS number: 312-93-6) is a synthetic adrenal corticosteroid with potent anti-inflammatory properties. Its molecular formula is C22H30FO8P and molecular weight is 472.44100. It is a white to light brown solid with a melting point of 154-157°C. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name dexamethasone phosphate
Synonym More Synonyms

 Dexamethasone Phosphate Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Dexamethasone phosphate (Dexamethasone 21-phosphate) is a biologically inactive compound which undergoes dephosphorylation by intra-erythrocyte enzymes. The active metabolite, dexamethasone, is then released into the circulation by simple passive diffusion through cell membranes. Dexamethasone phosphate-encapsulated erythrocyte has the potential for steroid-dependent ulcerative colitis research[1].
Related Catalog
References

[1]. Fabrizio Bossa, et al. Erythrocytes-mediated delivery of dexamethasone 21-phosphate in steroid-dependent ulcerative colitis: a randomized, double-blind Sham-controlled study. Inflamm Bowel Dis. 2013 Aug;19(9):1872-9.  

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.45g/cm3
Boiling Point 669.6ºC at 760mmHg
Melting Point 154-157°C (lit.)
Molecular Formula C22H30FO8P
Molecular Weight 472.44100
Flash Point 358.7ºC
Exact Mass 472.16600
PSA 151.17000
LogP 2.01270
Index of Refraction 1.594
InChIKey VQODGRNSFPNSQE-CXSFZGCWSA-N
SMILES CC1CC2C3CCC4=CC(=O)C=CC4(C)C3(F)C(O)CC2(C)C1(O)C(=O)COP(=O)(O)O

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TU4055000
CHEMICAL NAME :
Pregna-1,4-diene-3,20-dione, 9-fluoro-11-beta,17,21-trihydroxy-16-alpha-methyl-, 21-(dihydrogen phosphate)
CAS REGISTRY NUMBER :
312-93-6
LAST UPDATED :
199706
DATA ITEMS CITED :
14
MOLECULAR FORMULA :
C22-H30-F-O8-P
MOLECULAR WEIGHT :
472.49
WISWESSER LINE NOTATION :
L E5 B666 OV AHTTT&J A1 BF CQ E1 FV1OPQQO FQ G1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
36 mg/kg/90D-I
TOXIC EFFECTS :
Endocrine - changes in thymus weight Immunological Including Allergic - decrease in cellular immune response Immunological Including Allergic - decrease in humoral immune response
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
600 ug/kg
SEX/DURATION :
female 21-22 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - endocrine system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
200 ug/kg
SEX/DURATION :
female 19-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - respiratory system Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
400 ug/kg
SEX/DURATION :
female 19-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - hepatobiliary system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
30 mg/kg
SEX/DURATION :
female 8-13 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
2 mg/kg
SEX/DURATION :
female 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - menstrual cycle changes or disorders Reproductive - Fertility - other measures of fertility
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
600 ug/kg
SEX/DURATION :
female 17-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - cytological changes (including somatic cell genetic material) Reproductive - Specific Developmental Abnormalities - respiratory system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
600 ug/kg
SEX/DURATION :
female 17-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Parenteral
DOSE :
1 mg/kg
SEX/DURATION :
female 11-14 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - body wall Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Parenteral
DOSE :
1 mg/kg
SEX/DURATION :
female 14-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Parenteral
DOSE :
1 mg/kg
SEX/DURATION :
female 22-25 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

MUTATION DATA

TEST SYSTEM :
Rodent - rat
DOSE/DURATION :
3 mg/kg
REFERENCE :
JOENAK Journal of Endocrinology. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1939- Volume(issue)/page/year: 62,527,1974 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3850 No. of Facilities: 130 (estimated) No. of Industries: 3 No. of Occupations: 10 No. of Employees: 5388 (estimated) No. of Female Employees: 2968 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xn
Risk Phrases 62
HS Code 2937290090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~%

Dexamethasone Phosphate Structure

Dexamethasone P...

CAS#:312-93-6

Learn More
Literature: Chemical and Pharmaceutical Bulletin, , vol. 22, # 7 p. 1439 - 1450

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  1

DownStream  0

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2937290090

 Dexamethasone PhosphateBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Binding affinity towards human ADRA2A in an in vitro assay with cellular components m...
Source: ChEMBL
Target: Alpha-2A adrenergic receptor
External Id: CHEMBL5291736
Name: Binding affinity towards human GABRA1 in an in vitro assay with cellular components m...
Source: ChEMBL
Target: Gamma-aminobutyric acid receptor subunit gamma-2
External Id: CHEMBL5291799
Name: Binding affinity towards human PGR in an in vitro assay with cellular components meas...
Source: ChEMBL
Target: Progesterone receptor
External Id: CHEMBL5291863
Name: Antagonist activity at human ADRA1A in an in vitro cell-based assay measured by fluor...
Source: ChEMBL
Target: Alpha-1A adrenergic receptor
External Id: CHEMBL5291731
Name: Binding affinity towards human ESR1 in an in vitro cell free assay (CRO assay) measur...
Source: ChEMBL
Target: Estrogen receptor
External Id: CHEMBL5291792
Name: Binding affinity towards human ADORA3 (agonistic activity) in an in vitro assay with ...
Source: ChEMBL
Target: Adenosine receptor A3
External Id: CHEMBL5291728
Name: Compound was evaluated for inhibition of human PDE3A in an in vitro cell free assay m...
Source: ChEMBL
Target: cGMP-inhibited 3',5'-cyclic phosphodiesterase 3A
External Id: CHEMBL5291856
Name: Binding affinity towards human OPRM1 in an in vitro assay with cellular components me...
Source: ChEMBL
Target: Mu-type opioid receptor
External Id: CHEMBL5291855
Name: Agonist activity at human ADRA1A in an in vitro cell-based assay (CRO assay) measured...
Source: ChEMBL
Target: Alpha-1A adrenergic receptor
External Id: CHEMBL5291730
Name: Compound was evaluated for inhibition of human F2 in an in vitro cell free assay meas...
Source: ChEMBL
Target: Prothrombin
External Id: CHEMBL5291794
Total 31, Current Page 1 of 4
1
2
3
4

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Hexadrol phosphate
dexamethasone-21-phosphate
Dexamethasone 21-orthophosphate
Betnelan phosphate
Dexamethasone-21-dihydrogen-phosphate
Wymesone
Neodecadron
Oradexon phosphate
Dexamethasone phosphate
[2-[(8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] dihydrogen phosphate

 Dexamethasone Phosphate | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the boiling point of dexamethasone phosphate?
A: Boiling point of dexamethasone phosphate is 669.6ºC at 760mmHg.
Q: What is the LogP of dexamethasone phosphate?
A: LogP of dexamethasone phosphate is 2.01270.
Q: What English synonyms does dexamethasone phosphate have?
A: English synonyms of dexamethasone phosphate: Hexadrol phosphate, dexamethasone-21-phosphate, Dexamethasone 21-orthophosphate, Betnelan phosphate, Dexamethasone-21-dihydrogen-phosphate, Wymesone, Neodecadron, Oradexon phosphate, Dexamethasone phosphate, [2-[(8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] dihydrogen phosphate.
Q: What is the melting point of dexamethasone phosphate?
A: Melting point of dexamethasone phosphate is 154-157°C (lit.).
Q: What is the polar surface area (PSA) of dexamethasone phosphate?
A: Polar surface area (PSA) of dexamethasone phosphate is 151.17000.
Q: What is the English name of dexamethasone phosphate?
A: The English name of dexamethasone phosphate is dexamethasone phosphate.
Q: What are the upstream materials of dexamethasone phosphate?
A: Related upstream materials(CAS) of dexamethasone phosphate: 50-02-2.
Q: What is the SMILES notation of dexamethasone phosphate?
A: SMILES notation of dexamethasone phosphate is CC1CC2C3CCC4=CC(=O)C=CC4(C)C3(F)C(O)CC2(C)C1(O)C(=O)COP(=O)(O)O.
Q: What is the InChIKey of dexamethasone phosphate?
A: InChIKey of dexamethasone phosphate is VQODGRNSFPNSQE-CXSFZGCWSA-N.
Q: What is the molecular weight of dexamethasone phosphate?
A: Molecular weight of dexamethasone phosphate is 472.44100.

 Dexamethasone Phosphatefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.