(R)-5,6-dihydro-6-((1E,3R,4R,6R,7Z,9Z,11E)-3-triethylsilyloxy-6-tert-butyldimethylsilyloxy-4,13-dihydroxy-3-methyltrideca-1,7,9,11-tetraenyl)pyran-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 1242069-85-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,0,6 and 9 respectively; the second part has 2 digits, 8 and 5 respectively. Calculate Digit Verification of CAS Registry Number 1242069-85: (9*1)+(8*2)+(7*4)+(6*2)+(5*0)+(4*6)+(3*9)+(2*8)+(1*5)=137 137 % 10 = 7 So 1242069-85-7 is a valid CAS Registry Number.
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