(3R,7R,11S,15S,18R)-3,7,11,15,19-Pentamethyl-icosane-1,3,7,11,15,18,19-heptaol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 815601-29-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,5,6,0 and 1 respectively; the second part has 2 digits, 2 and 9 respectively. Calculate Digit Verification of CAS Registry Number 815601-29: (8*8)+(7*1)+(6*5)+(5*6)+(4*0)+(3*1)+(2*2)+(1*9)=147 147 % 10 = 7 So 815601-29-7 is a valid CAS Registry Number.