6t-oxo-13-benzhydrylidene-(6ac,10ac)-5,6,6a,7,8,9,10,10a-octahydro-6λ4-7r,10c-methano-benzo[e]naphtho[1,2-c][1,2]thiazine-8c,9c-dicarboxylic acid anhydride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 15051-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,0,5 and 1 respectively; the second part has 2 digits, 5 and 7 respectively. Calculate Digit Verification of CAS Registry Number 15051-57: (7*1)+(6*5)+(5*0)+(4*5)+(3*1)+(2*5)+(1*7)=77 77 % 10 = 7 So 15051-57-7 is a valid CAS Registry Number.
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