(1SR,2SR,8aRS)-1-<<(tert-butyldimethylsilyl)oxy>methyl>-8-(1,3-dithian-2-yl)-2-methyl-4-oxo-1,2,3,4,6,7,8,8a-octahydronaphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 85540-04-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,5,4 and 0 respectively; the second part has 2 digits, 0 and 4 respectively. Calculate Digit Verification of CAS Registry Number 85540-04: (7*8)+(6*5)+(5*5)+(4*4)+(3*0)+(2*0)+(1*4)=131 131 % 10 = 1 So 85540-04-1 is a valid CAS Registry Number.
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