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4-amino-3-methyl-1-naphthol is a synthetic menadione analog. It is also known as vitamin K7, and was named as such in 1950 when it was recognized as a compound with vitamin K activity. It can be made from 2-methylnaphthalene or menadione. It forms a crystalline hydrochloride salt (C11H11NO·HCl) from hydrochloric acid. At least 1 g of the salt dissolves in 25 ml of water at 75 °C. The salt turns pink to dark violet on exposure to air and light.

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  • 4-amino-3-methyl-1-naphthol is a synthetic menadione analog. It is also known as vitamin K7, and was named as such in 1950 when it was recognized as a compound with vitamin K activity. It can be made from 2-methylnaphthalene or menadione. It forms a crystalline hydrochloride salt (C11H11NO·HCl) from hydrochloric acid. At least 1 g of the salt dissolves in 25 ml of water at 75 °C. The salt turns pink to dark violet on exposure to air and light. 4-Amino-3-methyl-1-naphthol or its hydrochloride have not been used as commercial medicinal forms of vitamin K unlike phylloquinone and menadione for example. (en)
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  • 4-Amino-3-methylnaphthalen-1-ol (en)
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  • 1018826253 (xsd:integer)
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  • Vitamin K7.svg (en)
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  • 4 (xsd:integer)
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  • 4-amino-3-methyl-1-naphthol is a synthetic menadione analog. It is also known as vitamin K7, and was named as such in 1950 when it was recognized as a compound with vitamin K activity. It can be made from 2-methylnaphthalene or menadione. It forms a crystalline hydrochloride salt (C11H11NO·HCl) from hydrochloric acid. At least 1 g of the salt dissolves in 25 ml of water at 75 °C. The salt turns pink to dark violet on exposure to air and light. (en)
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  • 4-Amino-3-methyl-1-naphthol (en)
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