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Betamethasone 21-Phosphate Disodium Salt
(CAS RN:151-73-5 Product Number:B4110)


Betamethasone 21-Phosphate Disodium Salt

General Information

Product Number B4110

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Purity/Analysis Method >98.0%(HPLC)(T)
Storage Temperature
M.F. / M.W. C22H28FNa2O8P=516.41
CAS RN 151-73-5
Related CAS RN 360-63-4
MDL Number MFCD00200361
Packaging and Container
  • Product Details
  • Safety & Regulations
  • Reference & Application


Purity(HPLC) min. 98.0 area%
Purity(Nonaqueous Titration) min. 98.0 %(calcd.on anh.substance)
Specific rotation [a]20/D +99.0 to +105.0 deg(C=1, H2O(calcd.on anh.substance))
Water max. 10.0 %


Reaxys-RN 9684703
PubChem SID 253661950
Merck Index(14) 1180
RTECS# TU4056500


Signal Word Warning
Hazard Statements
  • H302
  • :Harmful if swallowed.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P270
  • :Do not eat, drink or smoke when using this product.
  • P301+P312+P330
  • :If swallowed: Call a poison center or doctor if you feel unwell. Rinse mouth.
  • P501
  • :Dispose of contents and container in accordance with local, regional, national regulations (e.g. US: 40 CFR Part 261, EU:91/156/EEC, JP: Waste Disposal and Cleaning Act, etc.).


Betamethasone 21-Phosphate Disodium Salt: A Synthetic Water-Soluble Glucocorticoid

Betamethasone 21-phosphate disodium salt is a synthetic water-soluble glucocorticoid and works as a glucocorticoid receptor agonist. It shows immunosuppressive, antiallergic, antipruritic and anti-inflammatory effects in vivo. Recently, formulation of nanoparticles with betamethasone 21-phosphate disodium salt and its release profile has been studied.


PubMed Literature

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