methyl <1S,2S,3aS,7aR>-1,5,5-trimethyl-4,6-dioxa-(2,3,3a,4,5,6,7,7a)octahydroindene-2-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 164228-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,2,2 and 8 respectively; the second part has 2 digits, 9 and 0 respectively. Calculate Digit Verification of CAS Registry Number 164228-90: (8*1)+(7*6)+(6*4)+(5*2)+(4*2)+(3*8)+(2*9)+(1*0)=134 134 % 10 = 4 So 164228-90-4 is a valid CAS Registry Number.