(1SR,3RS,8RS,10RS)-5,5,12,12-tetramethyl-4,6,11,13-tetraoxatricyclo<8.3.0.03,8>tridecan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 97321-77-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,2 and 1 respectively; the second part has 2 digits, 7 and 7 respectively. Calculate Digit Verification of CAS Registry Number 97321-77: (7*9)+(6*7)+(5*3)+(4*2)+(3*1)+(2*7)+(1*7)=152 152 % 10 = 2 So 97321-77-2 is a valid CAS Registry Number.