(7aR,8S,10R,11R,11aS,12aS)-10-Methoxy-8-methyl-5,6,7a,8,10,11,11a,12,12a,13-decahydro-7H-9-oxa-6a,13-diaza-indeno[2,1-a]anthracene-11-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 83913-40-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,1 and 3 respectively; the second part has 2 digits, 4 and 0 respectively. Calculate Digit Verification of CAS Registry Number 83913-40: (7*8)+(6*3)+(5*9)+(4*1)+(3*3)+(2*4)+(1*0)=140 140 % 10 = 0 So 83913-40-0 is a valid CAS Registry Number.
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