10-Octadecen-12-ynoic acid, 9-hydroxy-, (E)- is a naturally occurring unsaturated fatty acid with a unique structure. It is characterized by a hydroxyl group at the 9th carbon and a triple bond between the 12th and 13th carbon atoms, with the double bond positioned between the 10th and 11th carbon atoms, giving it the (E)- configuration. 10-Octadecen-12-ynoic acid, 9-hydroxy-, (E)- is found in certain plant oils and is known for its potential anti-inflammatory and skin health benefits. It is also used in the pharmaceutical and cosmetic industries due to its properties that can contribute to the treatment of skin conditions and the maintenance of skin elasticity.
The CAS Registry Mumber 692-21-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,9 and 2 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 692-21: (5*6)+(4*9)+(3*2)+(2*2)+(1*1)=77 77 % 10 = 7 So 692-21-7 is a valid CAS Registry Number.