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COA COO

Betamethasone EP Impurity B

API
Impurity

CAS Number

25122-41-2

Molecular Formula

C22H28ClFO4

Product format

Neat

Molecular Weight

410.91

Storage

-20°C

Shipping

Frozen (-20°C)

API Family

Betamethasone and Clobetasol Propionate

Synonyms

Clobetasol, 21-Chloro-9-fluoro-11beta, 17-dihydroxy-16beta-methylpregna-1, 4-diene-3, 20-dione, Clobetasol Propionate Imp. G (EP), Betamethasone Imp. B (EP), Ph Eur Clobetasol Propionate Impurity G, CCI 4650, Clobetasol, CCI18747, CCI6990, CCI1822, USP Clobetasol propionate Related Compound A, Betamethasone Impurity B and Clobetasol Propionate Impurity G

Smiles

C[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@@]3(F)[C@@H](O)C[C@]2(C)[C@@]1(O)C(=O)CCl

Iupac Name

(8S, 9R, 10S, 11S, 13S, 14S, 16S, 17R)-17-(2-chloroacetyl)-9-fluoro-11, 17-dihydroxy-10, 13, 16-trimethyl-6, 7, 8, 11, 12, 14, 15 and 16-octahydrocyclopenta[a]phenanthren-3-one

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COA COO

Available products

Pack Size SKU
Category Expected Delivery Price Quantity

3-4 weeks

3-4 weeks

3-5 weeks

4-5 weeks

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Product Type

Custom
Synthesis

We offer tailor-made synthesis services of up to gram-quantities of materials for a wide range of pharmaceutical customers. The customer can order a specific molecule that is only synthesized on your request on the scale, with the purity and with the specification or methods you require.

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