DOTA-​NHS-​ester CAS 170908-81-3

Purity >95%In StockPharmaceutical Standards
CAS No.170908-81-3
Molecular FormulaC20H31N5O10
Molecular Weight501.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

DOTA-​NHS-​ester CAS 170908-81-3 chemical structure

Description

CATO supplies DOTA-​NHS-​ester (CAS 170908-81-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H31N5O10. Molecular weight: 501.49 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC20H31N5O10
Molecular Weight501.49 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2005
Nitrogen Atoms5

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