(3R,5R,7R,9R,11R,13R,19R)-3,5,7,9,11,13,19-heptamethoxydocosonal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 136368-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,3,6 and 8 respectively; the second part has 2 digits, 4 and 3 respectively. Calculate Digit Verification of CAS Registry Number 136368-43: (8*1)+(7*3)+(6*6)+(5*3)+(4*6)+(3*8)+(2*4)+(1*3)=139 139 % 10 = 9 So 136368-43-9 is a valid CAS Registry Number.