(4aR,6R,7R,8R,8aS)-7,8-Bis-benzyloxy-6-methoxy-hexahydro-pyrano[3,2-d][1,3,2]dioxathiine 2,2-dioxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 188255-63-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,2,5 and 5 respectively; the second part has 2 digits, 6 and 3 respectively. Calculate Digit Verification of CAS Registry Number 188255-63: (8*1)+(7*8)+(6*8)+(5*2)+(4*5)+(3*5)+(2*6)+(1*3)=172 172 % 10 = 2 So 188255-63-2 is a valid CAS Registry Number.