(4aR,6aS,10aS,10bR)-(-)-2,3,4a,5,6,6a,7,8,9,10,10a,10b-dodecahydro-4a,7,7,10a-tetramethyl-naphtho<2,1-b>pyran-3-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 13017-23-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,1 and 7 respectively; the second part has 2 digits, 2 and 3 respectively. Calculate Digit Verification of CAS Registry Number 13017-23: (7*1)+(6*3)+(5*0)+(4*1)+(3*7)+(2*2)+(1*3)=57 57 % 10 = 7 So 13017-23-7 is a valid CAS Registry Number.