(5S,7S,9S,11S,13R,15R,17R,19R)-5,7,9,11,13,15,17,19-octamethoxy-2-tetracosenal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 131435-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,4,3 and 5 respectively; the second part has 2 digits, 8 and 7 respectively. Calculate Digit Verification of CAS Registry Number 131435-87: (8*1)+(7*3)+(6*1)+(5*4)+(4*3)+(3*5)+(2*8)+(1*7)=105 105 % 10 = 5 So 131435-87-5 is a valid CAS Registry Number.