(3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bS)-9-Acetoxy-1-(1-formyl-vinyl)-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysene-3a-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 122689-48-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,6,8 and 9 respectively; the second part has 2 digits, 4 and 8 respectively. Calculate Digit Verification of CAS Registry Number 122689-48: (8*1)+(7*2)+(6*2)+(5*6)+(4*8)+(3*9)+(2*4)+(1*8)=139 139 % 10 = 9 So 122689-48-9 is a valid CAS Registry Number.
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