Kentin

Formula :
CAS : 39290-51-2 

A cytolytic toxin (kentin) from the Indo-Pacific sea anemone, Stoichactis kenti

Keracryl-7

Formula :
CAS : 80042-33-7 

Polymer used for manufacture of acrtificial tooth.

Keratan sulfate

Formula : Unspecified
CAS : 9056-36-4 

A sulfated mucopolysaccharide initially isolated from bovine cornea. At least two types are known. Type I, found mostly in the cornea, contains D-galactose and D-glucosamine-6-O-sulfate as the repeating unit; type II, found in skeletal tissues, contains D-galactose and D-galactosamine-6-O-sulfate as the repeating unit.

Keratin-10

Formula :
CAS : 147785-83-9 

A type I keratin that is found associated with the KERATIN-1 in terminally differentiated epidermal cells such as those that form the stratum corneum. Mutations in the genes that encode keratin-10 have been associated with HYPERKERATOSIS, EPIDERMOLYTIC.