(2S,3S,4aR,8aS)-8,8-Difluoro-2,3-dimethoxy-2,3-dimethyl-2,3,4a,5,8,8a-hexahydro-benzo[1,4]dioxine-6-carboxylic acid 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 257876-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,8,7 and 6 respectively; the second part has 2 digits, 9 and 2 respectively. Calculate Digit Verification of CAS Registry Number 257876-92: (8*2)+(7*5)+(6*7)+(5*8)+(4*7)+(3*6)+(2*9)+(1*2)=199 199 % 10 = 9 So 257876-92-9 is a valid CAS Registry Number.
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