(2S,2aS,4S,4aS,5R,6R,7R,7aS,7bR)-5-tert-butyldimethylsilyloxy-2-hydroxy-6,7-(isopropylidenedioxy)decahydroindeno[7,1-bc]furan-4-carbaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 653573-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,3,5,7 and 3 respectively; the second part has 2 digits, 8 and 5 respectively. Calculate Digit Verification of CAS Registry Number 653573-85: (8*6)+(7*5)+(6*3)+(5*5)+(4*7)+(3*3)+(2*8)+(1*5)=184 184 % 10 = 4 So 653573-85-4 is a valid CAS Registry Number.
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