(2S,2'R,2''R,3S,4S,6'S,6''S)-2-O,3-O-(6,6'-dimethyl-3,3',4,4',5,5',6,6'-octahydro-2,2'-bi-2H-pyran-2,2'-diyl)-xylitol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 172790-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,7,9 and 0 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 172790-28: (8*1)+(7*7)+(6*2)+(5*7)+(4*9)+(3*0)+(2*2)+(1*8)=152 152 % 10 = 2 So 172790-28-2 is a valid CAS Registry Number.