3-ethyl 1,2-dimethyl (1S,2S,3R,4R,5S)-4,5-(diethylmethylenedioxy)-1,2-(dimethylmethylenedioxy)-3,6-dihydroxyhexane-1,2,3-tricarboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 191935-28-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,9,3 and 5 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 191935-28: (8*1)+(7*9)+(6*1)+(5*9)+(4*3)+(3*5)+(2*2)+(1*8)=161 161 % 10 = 1 So 191935-28-1 is a valid CAS Registry Number.
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