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1732-10-1Dimethyl Azelate

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Catalogue No.:	VL1420009
CAS No.:	1732-10-1
Mol. Formula:	C11H20O4
Mol. Weight:	216.27 g/mol

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Additional information on CAS 1732-10-1

Parent drug

Azelaic Acid

IUPAC Name

dimethyl nonanedioate

Pharmacopeial Synonyms

N/A

Synonyms

N/A

Smiles

O=C(OC)CCCCCCCC(OC)=O

InChI

InChI=1S/C11H20O4/c1-14-10(12)8-6-4-3-5-7-9-11(13)15-2/h3-9H2,1-2H3

Description

Dimethyl Azelate (CAS 1732-10-1) is a common process-related impurity encountered in esterification and transesterification routes. As the dimethyl ester of azelaic acid, it exhibits moderate volatility and lipophilicity, which influences its partitioning during distillation and solvent extraction. Analytical identification relies on GC-MS and LC-MS complemented by 1H and 13C NMR for structural confirmation, with quantitation at trace and ppm levels using validated methods. Left uncontrolled it can affect product purity, stability, and downstream catalytic steps. Control strategies include optimized reaction stoichiometry, targeted downstream purification such as fractional distillation, adsorption or liquid liquid extraction, and routine monitoring against established specification limits.

References

Nazzaro-Porro, Marcella. â€œAzelaic Acid.â€ Journal of the American Academy of Dermatology, vol. 17, no. 6, 1 Dec. 1987, pp. 1033â€“1041, www.sciencedirect.com/science/article/abs/pii/S0190962287702941, 10.1016/S0190-9622(87)70294-1. Accessed 28 Jan. 2022.