(+)(1S)-Δ3(8)-m-Menthen, also known as (+)-3,8-limonene, is a naturally occurring monoterpene found in various plants, particularly in citrus fruits like oranges and lemons. It is an optically active compound with a molecular formula of C10H16 and a molecular weight of 136.24 g/mol. This chiral molecule has a double bond between carbons 3 and 8, and it exhibits a specific rotation of +137.4°, indicating its (+)-configuration. (+)(1S)-Δ3(8)-m-Menthen is used in the fragrance and flavor industry due to its fresh, citrusy aroma and is also known for its potential applications in the synthesis of other chemicals and as a biofuel component.
The CAS Registry Mumber 5208-56-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,0 and 8 respectively; the second part has 2 digits, 5 and 6 respectively. Calculate Digit Verification of CAS Registry Number 5208-56: (6*5)+(5*2)+(4*0)+(3*8)+(2*5)+(1*6)=80 80 % 10 = 0 So 5208-56-0 is a valid CAS Registry Number.