(4aS,5S,6aR,7R,8S,10aS,10bR)-3,4a,7,10a-Tetramethyl-1-oxo-5,8-bis-trimethylsilanyloxy-7-trimethylsilanyloxymethyl-4a,5,6,6a,7,8,9,10,10a,10b-decahydro-1H-benzo[f]chromene-2-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 189564-01-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,5,6 and 4 respectively; the second part has 2 digits, 0 and 1 respectively. Calculate Digit Verification of CAS Registry Number 189564-01: (8*1)+(7*8)+(6*9)+(5*5)+(4*6)+(3*4)+(2*0)+(1*1)=180 180 % 10 = 0 So 189564-01-0 is a valid CAS Registry Number.
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