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Quick Details

  • CAS No.: 2152-44-5
  • MF: C27H37FO6
  • EINECS No.: 218-439-3
  • Place of Origin: Jiangsu, China (Mainland)
  • Type: pharma ingredient
  • Grade Standard: Medicine Grade
  • Brand Name: Desheng
  • Purity: 99% min
  • Appearance: white or almost white crystalline powder

Packaging & Delivery

Packaging Details 25kg/drum
Delivery Time prompt after oder

Hot Sale STOCK Betamethasone valerate,2152-44-5

 

Product Description

 

Introduction:

 

Product NameBetamethasone Valerate
CAS2152-44-5
Purity97%-103%
Molecular formulaC27H37FO6
Molecular weight476.58
StandardUSP36
Appearancewhite to practically white powder
IdentificationA.confirms to the CRS spectrum
Specific Rotation+75°~+82° (dried substance)
Loss on drying≤0.5%
Residue on ignition≤0.2%
Assay(By HPLC)

Contains 97.0% to 103.0% of C27H37FO6

Calculated on dried basis

Relates Substance(By HPLC)

Any Individual Impurity≤1.0%

Total Impurities≤2.0%

 

 Main Function:

  Topical corticosteroids share anti-inflammatory, antipruritic and vasoconstrictive actions. The mechanism of anti-inflammatory activity of the topical coricosteroids is unclear. Various laboratory method, including vasoconstrictor assays, are used to compare and predict potencies and clinical efficacies of the topical corticosteroids. There is some evidence to suggest that a recognize correlation exists between vasoconstrictor potency and the therapeutic efficacy in man.

Specification

Standard: USP31

Test Item

Details

Test Result

Appearance

white crystal or powder

white crystal

Specific rotation

+63 ~ +70°C

+64.7°C

Identification

infra-red spectrum

accord with normal frequency spectrum

Drying Loss

≤0.5%

0.4%

Related Substances

impurities≤1.5%

impurities≤0.8%

>1.0% only one kind of impurity allowed

>1.0% impurity: none

total impurity≤2.0%

1.291%

Residue on Ignition

≤0.2%

0.03%

Assay

≥97.0%

98.83%

Conclusion: Qualified

 

Packaging & Shipping

 

 

Company Information

 

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China (Mainland) | Trading Company
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5 Transactions 8,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $334,000
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