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CAS:83857-96-9
MF:C8H11ClN2O
EINECS:410-260-0; 617-494-4
Purity:99%min
Other Names:2-Butyl-4-chloro-5-formylimidazole
What is of 2-N-BUTYL-4-CHLORO-5-FORMYL IMIDAZOLE with CAS 83857-96-9?
2-Butyl-4-chloro-1H-imidazole-5-carboxaldehyde (Losartan EP Impurity D) is used for preparation of N-(biphenylylmethyl)imidazoles as angiotensin II antagonists. Losartan USP Related Compound A.
Description
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Item
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Specifications
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Appearance
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Light yellow to white crystalline powder
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Identification
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The IR spectrum is consistent with that obtained with the reference
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Loss on drying
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≤0.5%
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Individual impurity
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≤1%
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Melting point
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96~99℃
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Assay by potentiometry
(on Anhydrous basis) |
98.0%~101.0%
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Application
2-Butyl-4-chloro-5-formylimidazole is used for preparation of N-(biphenylylmethyl)imidazoles as angiotensin II antagonists
Packing
25kgs/drum,9tons/20’container.25kgs/bag,20tons/20’container.
