C9

protein-coding gene in the species Mus musculus

C9, C09 or C-9 may refer to: ==Biology, medicine, and chemistry== C9 (Complement component 9), a protein ATC code C09, a subgroup of the Anatomical Therapeutic Chemical Classification System C09, ICD-10 code for malignant neoplasm of tonsil Carbon-9 (C-9 or 9 C), an isotope of carbon Coccinella novemnotata, the nine-spotted ladybug or C9, a species of lady beetle ==Military and weapons== Hi-Point Models C9 and C9 Comp handguns C9 LMG, Canadian light machine gun C9, an ID for the German Nachtjagdgeschwader 5 air squadron in World War II ==Music== C9, a note five octaves above Middle C C9, a C ninth chord ==Organizations== Cloud9, an American esports organization C9 League, an association of Chinese universities The Council of Cardinal Advisers, an advisory body to the pope, originally comprising nine members C9 Entertainment, a South Korean entertainment company and record label ==Transportation== Cierva C.9, a 1927 British experimental autogyro HMS C9, a British submarine Ford C-9, a US military designation for the Ford Trimotor aircraft McDonnell Douglas C-9, a US Air Force transport aircraft based on the civilian DC-9 USS Montgomery (C-9), a US Navy cruiser C9, the IATA code for Cirrus Airlines Sauber C9, a Le Mans racing car C9 engine, by Caterpillar Inc. C-9 (Cercanías Madrid), a commuter rail line in Madrid LNER Class C9, a class of 2 British steam locomotives rebuilt from C7s in 1931 SL C9, a type of rolling stock used in the Stockholm metro Omoda C9, a Chinese mid-size crossover SUV ==Other uses== C9, an ISO 216 standard paper size C9, a holiday light bulb size C9, a sportswear line by Champion ==See also== 9C (disambiguation)

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