(8E,24E)-5,6,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,9,11-trioxo-8-[(2-propanoylhydrazino)methylidene]-1,2,8,9-tetrahydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-21-yl acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 51706-99-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,7,0 and 6 respectively; the second part has 2 digits, 9 and 9 respectively. Calculate Digit Verification of CAS Registry Number 51706-99: (7*5)+(6*1)+(5*7)+(4*0)+(3*6)+(2*9)+(1*9)=121 121 % 10 = 1 So 51706-99-1 is a valid CAS Registry Number.
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