| C | SK | CHEMISTRY; METALLURGY |
| C07 | KL | ORGANIC CHEMISTRY (such compounds as the oxides, sulfides, or oxysulfides of carbon, cyanogen, phosgene, hydrocyanic acid or salts thereof C01; products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds C01B 33/44; macromolecular compounds C08; dyes C09; fermentation products C12; fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture C12P; production of organic compounds by electrolysis or electrophoresis C25B 3/00 , C25B 7/00) [2] |
| C07B | UKL | GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR (preparation of carboxylic acid esters by telomerisation C07C 67/47; telomerisation C08F) |
| C07C | UKL | ACYCLIC OR CARBOCYCLIC COMPOUNDS |
| C07D | UKL | HETEROCYCLIC COMPOUNDS [2] |
| C07F | UKL | ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM (metal-containing porphyrins C07D 487/22) |
| C07G | UKL | COMPOUNDS OF UNKNOWN CONSTITUTION |
| C07H | UKL | SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS (derivatives of aldonic or saccharic acids C07C , C07D; aldonic acids, saccharic acids C07C 59/105 , C07C 59/285; cyanohydrins C07C 255/16; glycals C07D; compounds of unknown constitution C07G; polysaccharides, derivatives thereof C08B; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification C12N 15/00; sugar industry C13) [2] |
| C07J | UKL | STEROIDS (seco-steroids C07C) [2] |
| C07K | UKL | PEPTIDES (peptides in foodstuffs A23 , e.g. obtaining protein compositions for foodstuffs A23J; preparations for medicinal purposes A61K; peptides containing á-lactam rings C07D; cyclic dipeptides not having in their molecule any other peptide link than those which form their ring, e.g. piperazine-2,5-diones, C07D; ergot alkaloids of the cyclic peptide type C07D 519/02; macromolecular compounds having statistically distributed amino acid units in their molecules, i.e. when the preparation does not provide for a specific, but for a random sequence of the amino acid units, homopolyamides and block copolyamides derived from amino acids C08G 69/00; macromolecular products derived from proteins C08H 1/00; preparation of glue or gelatine C09H; single cell proteins, enzymes C12N; genetic engineering processes for obtaining peptides C12N 15/00; compositions for measuring or testing processes involving enzymes C12Q; investigation or analysis of biological material G01N 33/00) [4] |
| C07M | UKL | INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C07B TO C07K , RELATING TO SPECIFIC PROPERTIES OF ORGANIC COMPOUNDS [6] |