(+)-(2S,3R,9aS,9bS,11aS)-3,4,5,6,6a,7,9,9a,9b,10,11,11a-dodecahydro-9a,9b-dimethyl-2-{1-methyl-1-[(trimethylsilyl)oxy]ethyl}-3-[(triethylsilyl)oxy]-2H-[2]benzofuro[5,4-f][1]benzopyran-9-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 671792-23-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,1,7,9 and 2 respectively; the second part has 2 digits, 2 and 3 respectively. Calculate Digit Verification of CAS Registry Number 671792-23: (8*6)+(7*7)+(6*1)+(5*7)+(4*9)+(3*2)+(2*2)+(1*3)=187 187 % 10 = 7 So 671792-23-7 is a valid CAS Registry Number.
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