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COMPOUNDS OF UNKNOWN CONSTITUTION
Definition statement
This subclass covers:

Organic compounds of unknown structure. That means the structure of the compound cannot be deduced to a level sufficient to classify the document in any of the other subclasses of C07.

References relevant to classification in this subclass
This subclass does not cover:

Peptides or proteins of unknown constitution

Organic compounds of known constitution

Informative references
Attention is drawn to the following places, which may be of interest for search:

Medicinal preparations containing materials or reaction products thereof with undetermined constitution

Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines

Lignin; Lignin derivatives
Definition statement
This group covers:

Lignin and lignin derivatives of unknown structure, for instance the preparation or recovery of lignin from lignocellulosic material or black liquor.

Informative references
Attention is drawn to the following places, which may be of interest for search:

Macromolecular compounds derived from lignin

Glycosides (polysaccharides C08B)
Definition statement
This group covers:

Glycosides of unknown structure

References relevant to classification in this group
This group does not cover:

Carbohydrates of known structure having 1-5 monomers

Polysaccharides having 6 or more monomers

Alkaloids
Definition statement
This group covers:

Alkaloids of unknown structure, e.g. isolation of structurally undefined alkaloids from plant material.

Informative references
Attention is drawn to the following places, which may be of interest for search:

Medicinal preparations containing alkaloids with undetermined constitution

Medicinal preparations of undetermined constitution containing alkaloids from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines

Ammonium bituminosulfonate, e.g. Ichthyol {also bituminasulfonic acid and its salts}
Definition statement
This group covers:

Ammonium bituminosulfonates of unknown structure, e.g. Ichthyol

Antibiotics
Definition statement
This group covers:

Antibiotics of unknown structure.

Informative references
Attention is drawn to the following places, which may be of interest for search:

Medicinal preparations containing alkaloids with undetermined constitution

Medicinal preparations of undetermined constitution containing alkaloids from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines

Vitamins (vitamin K1 C07C 50/14 ; pantothinic acid C07C 235/12 ; vitamins of the D group C07C 401/00 ; vitamin A C07C 403/08 ; pyridoxal, pyridoxamin C07D 213/66 ; pyridoxin C07D 213/67 ; vitamin C C07D 307/62 ; tocopherols C07D 311/72 ; lipoic acid C07D 339/04 ; vitamin B1 C07D 415/00 ; riboflavin C07D 475/14 ; biotin C07D 495/04 ; sideramines, corresponding deoferri compounds C07F 15/03 ; vitamin B12 C07H 23/00)
Definition statement
This group covers:

Vitamins of unknown structure.

References relevant to classification in this group
This group does not cover:

Vitamins of known constitution, e.g.

Vitamin K1

Pantothinic acid

Vitamin A

Vitamins of the D group

Pyridoxal, pyridoxamin

Pyridoxin

Vitamin C

Tocopherols

Lipoic acid

Vitamin B1

Riboflavin

Biotin

Sideramines, corresponding deoferri compounds

Vitamin B12

Informative references
Attention is drawn to the following places, which may be of interest for search:

Medicinal preparations containing vitamins with undetermined constitution

Medicinal preparations of undetermined constitution containing vitamins from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines

Hormones
Definition statement
This group covers:

Hormones of unknown structure.

Informative references
Attention is drawn to the following places, which may be of interest for search:

Medicinal preparations containing hormones with undetermined constitution

Medicinal preparations of undetermined constitution containing hormones from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines

Other compounds of unknown constitution
Definition statement
This group covers:

Compounds of unknown structure not falling within C07G 1/00-C07G 15/00.

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Last Modified: 10/11/2013