(1S*,3aS*,4R*,6aR*)-1,4-dimethyl-3,3a,4,5,6,6a-hexahydro-2(1H)-pentalenone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 57764-39-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,6 and 4 respectively; the second part has 2 digits, 3 and 9 respectively. Calculate Digit Verification of CAS Registry Number 57764-39: (7*5)+(6*7)+(5*7)+(4*6)+(3*4)+(2*3)+(1*9)=163 163 % 10 = 3 So 57764-39-3 is a valid CAS Registry Number.