Lot numbers can be found on the outside label of a product:
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Structure of 253-52-1
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This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.Carvedilol impurity C EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.
Phthalazine serves as a versatile heterocyclic scaffold in medicinal chemistry, enabling the construction of bioactive molecules through established functionalization pathways. Its electron-deficient ring system facilitates nucleophilic substitution and transition-metal-catalyzed coupling reactions, offering robust access to diverse pharmaceutical intermediates. The compound exhibits good bench stability and compatibility with common protecting groups, supporting efficient synthesis and purification in multi-step sequences.
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GHS Pictogram :
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GHS No : GHS08
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H341-H412
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Precautionary Statements : P273-P280-P405-P501
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Lot numbers can be found on the outside label of a product: