(9aS)-5,5-dimethyl-8-oxo-2-phenoxymethyl-9-phenyl-(9ar)-5,6,9,9a-tetrahydro-8H-azeto[1,2-d]oxazolo[4,5-f][1,4]thiazepine-6c,9t-dicarboxylic acid 9-indan-5-yl ester 6-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 58137-70-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,1,3 and 7 respectively; the second part has 2 digits, 7 and 0 respectively. Calculate Digit Verification of CAS Registry Number 58137-70: (7*5)+(6*8)+(5*1)+(4*3)+(3*7)+(2*7)+(1*0)=135 135 % 10 = 5 So 58137-70-5 is a valid CAS Registry Number.
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