(7S,9S)-9-Acetyl-7-((2R,4S,5S,6S)-4-amino-5-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-6,9,11,12-tetrahydroxy-4-methoxy-7,8,9,10-tetrahydro-5aH-naphthacen-5-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 85404-45-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,4,0 and 4 respectively; the second part has 2 digits, 4 and 5 respectively. Calculate Digit Verification of CAS Registry Number 85404-45: (7*8)+(6*5)+(5*4)+(4*0)+(3*4)+(2*4)+(1*5)=131 131 % 10 = 1 So 85404-45-1 is a valid CAS Registry Number.
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