(4aR,6R,7R,8R,8aS)-2,2-Dimethyl-hexahydro-pyrano[3,2-d][1,3]dioxine-6,7,8-triol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 53691-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,6,9 and 1 respectively; the second part has 2 digits, 7 and 1 respectively. Calculate Digit Verification of CAS Registry Number 53691-71: (7*5)+(6*3)+(5*6)+(4*9)+(3*1)+(2*7)+(1*1)=137 137 % 10 = 7 So 53691-71-7 is a valid CAS Registry Number.