(R)-5,6-dihydro-6-((1E,3R,4R,6R,7Z)-3,4-bis(triethylsilyloxy)-6-tert-butyldimethylsilyloxy-3-methyl-8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)octa-1,7-dienyl)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 1242069-83-5 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 3 respectively. Calculate Digit Verification of CAS Registry Number 1242069-83: (9*1)+(8*2)+(7*4)+(6*2)+(5*0)+(4*6)+(3*9)+(2*8)+(1*3)=135 135 % 10 = 5 So 1242069-83-5 is a valid CAS Registry Number.
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