Supplier of European Chemical Raw Materials
European Technologies Incorporated, 4835 West 31st Avenue, Denver, Colorado 80212, USA
               Phone: 303-433-1816, Fax: 303-455-2172, e-mail: info@etichem.com
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European Technologies Inc.
4835 West 31st Avenue
Denver, CO 80212, USA
Phone: 303-433-1816
Fax: 303-455-2172
e-mail: info@etichem.com
DIHYDROERGOTAMINE MESYLATE
Technical specifications
Product nr.: CZ13-0030
Ordering: to obtain pricing, to order, or for additional information, please call: European Technologies Inc. at 303-433-1816, or e-mail to mfranta@etichem.com
Shelf life:  5 years when stored properly.
Packaging: Per customer request.
Storage conditions: Store cool and dry.  Storage temperatures must not exceed +25 Celsius.  Protect from light.
Dihydroergotamine Mesylate

Product name:

Dihydroergotamine Mesylate
   

Empirical formula:

C33H37N5O5 . CH4 O3S

Molecular weight:

679.8

CAS:

[6190-39-2]

Description:

Almost white powder

Identity

  

    IR:

Complies

    UV:

Complies

    TLC:

Complies

Specific optical rotation:

-22.7 to -16.7°

Value of pH:

4.4 to 5.4

Loss on drying:

NMT 4.0%

Related substances

  

    Sum of impurities (TLC):

NMT 2.0%

    Aci-dihydroergotamine (HPLC):

NMT 0.1%

    8-hydroxy-dihydroergotamine (HPLC)

NMT 0.3%

    Dihydroergostine (HPLC)

NMT 0.5%

    Largest individual unidentified impurity (HPLC):

NMT 0.1%

    Total (HPLC):

NMT 2.0%

Content

  

    In dried substance:

97.0 – 103.0%

Organic volatile impurities

  

    1,4-dioxane

NMT 100 ppm

Residual solvents

  

    Ethanol:

NMT 0.5%

    Acetone:

NMT 0.5%