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Paramethasone

CAS No.
53-33-8
Chemical Name:
Paramethasone
Synonyms
Cortiden;PARAMETHASONE;Picaridin Impurity 9;6a-Fluoro-16a-methylprednisolone;16a-Methyl-6a-fluoroprednisolone;6-alpha-fluoro-16-alpha-methylprednisolone;Methylprednisolone Impurity 30 (Paramethasone);1, 4-PREGNADIEN-6α-FLUORO-16α-METHYL-11β, 17, 21-TRIOL-3, 20-DIONE;6α-Fluoro-11β,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione;6a-fluoro-11b,17a,21-trihydroxy-16a-methyl-1,4-pregnadiene-3,20-dione
CBNumber:
CB0301372
Molecular Formula:
C22H29FO5
Molecular Weight:
392.46
MDL Number:
MFCD03695621
MOL File:
53-33-8.mol
Last updated:2023-05-04 17:34:39

Paramethasone Properties

Melting point 228-241°C
Boiling point 573.5±50.0 °C(Predicted)
Density 1.32±0.1 g/cm3(Predicted)
storage temp. -20°C Freezer
solubility DMSO (Slightly), Methanol (Slightly)
form Solid
pka 12.34±0.70(Predicted)
color White to Pale Beige
CAS DataBase Reference 53-33-8
FDA UNII VFC6ZX3584
ATC code H02AB05

Paramethasone price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC P191840 Paramethasone 53-33-8 2.5mg $185 2021-12-16 Buy
TRC P191840 Paramethasone 53-33-8 25mg $1455 2021-12-16 Buy
Medical Isotopes, Inc. 60958 Paramethasone 53-33-8 25mg $2200 2021-12-16 Buy
American Custom Chemicals Corporation SHG0007268 PARAMETHASONE 95.00% 53-33-8 5G $909.56 2021-12-16 Buy
American Custom Chemicals Corporation SHG0007268 PARAMETHASONE 95.00% 53-33-8 10G $1334.03 2021-12-16 Buy
Product number Packaging Price Buy
P191840 2.5mg $185 Buy
P191840 25mg $1455 Buy
60958 25mg $2200 Buy
SHG0007268 5G $909.56 Buy
SHG0007268 10G $1334.03 Buy

Paramethasone Chemical Properties,Uses,Production

Originator

Haldrone,Lilly,US,1961

Uses

Paramethasone, is a fluorinated glucocorticoid, having anti-inflammatory and immunosuppressant properties.

Uses

Glucocorticoid.

Definition

ChEBI: Paramethasone is a fluorinated steroid.

Manufacturing Process

A solution of 0.144 g of the 3-ethylene glycol ketal of 5α,11β,17α,21 tetrahydroxy-6β-fluoro-16α-methylallopregnane-3,20-dione-21 acetate in 12 ml of chloroform and 0.1 ml of absolute alcohol was cooled to -10°C in an icesalt bath and a stream of anhydrous hydrochloric acid was gently bubbled through the solution for 2.5 hours while the temperature was maintained between -5°C and -15°C. The solution was then diluted with 25 ml of chloroform, washed with dilute sodium bicarbonate and water, dried over anhydrous sodium sulfate, and evaporated to dryness under reduced pressure at 60°C or less to give 6α-fluoro-11β,17α,21-trihydroxy-16α-methyl-4-pregnene3,20-dione 21-acetate.

brand name

Haldrone (Lilly).

Therapeutic Function

Glucocorticoid

Paramethasone Preparation Products And Raw materials

Raw materials

Preparation Products

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LGM Pharma 1-(800)-881-8210 inquiries@lgmpharma.com United States 2127 70
16a-Methyl-6a-fluoroprednisolone 6a-Fluoro-16a-methylprednisolone Cortiden Pregna-1,4-diene-3,20-dione, 6a-fluoro-11b,17,21-trihydroxy-16a-methyl- (8CI) Pregna-1,4-diene-3,20-dione, 6a-fluoro-11b,17,21-trihydroxy-16-methyl- (7CI) Pregna-1,4-diene-3,20-dione, 6-fluoro-11,17,21-trihydroxy-16-methyl-, (6a,11b,16a)- (9CI) (6S,8S,9S,10R,11S,13S,14S,16R,17R)-6-Fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one 6α-Fluoro-11β,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione PARAMETHASONE 6a-fluoro-11b,17a,21-trihydroxy-16a-methyl-1,4-pregnadiene-3,20-dione 6-alpha-fluoro-11-beta,17-alpha,21-trihydroxy-16-alpha-methylpregna-1,4-diene-3,20-dione 6-alpha-fluoro-16-alpha-methylprednisolone 1,4-PREGNADIEN-6-ALPHA-FLUORO-16-ALPHA-METHYL-11-BETA, 17,21-TRIOL-3,20-DIONE (6S,8S,9S,10R,11S,13S,14S,16R,17R)-6-fluoro-11,17-dihydroxy-17-(2-hydroxyethanoyl)-10,13,16-trimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one (6S,8S,9S,10R,11S,13S,14S,16R,17R)-6-fluoro-17-glycoloyl-11,17-dihydroxy-10,13,16-trimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one 6-fluoro-11,17-dihydroxy-17-(2-hydroxy-1-oxoethyl)-10,13,16-trimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one Pregna-1,4-diene-3,20-dione, 6-fluoro-11,17,21-trihydroxy-16-methyl-, (6α,11β,16α)- Pregna-1,4-diene-3,20-dione,6-fluoro-11,17,21-trihydroxy-16-methyl-, (6a,11b,16a)- Methylprednisolone Impurity 30 (Paramethasone) Picaridin Impurity 9 1, 4-PREGNADIEN-6α-FLUORO-16α-METHYL-11β, 17, 21-TRIOL-3, 20-DIONE 53-33-8