(3aR,3bS,5R,7aR)-5-Ethoxycarbonylmethyl-2,2-dimethyl-3a,3b,5,7a-tetrahydro-furo[2',3':4,5]furo[2,3-d][1,3]dioxole-5-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 378238-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,8,2,3 and 8 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 378238-81: (8*3)+(7*7)+(6*8)+(5*2)+(4*3)+(3*8)+(2*8)+(1*1)=184 184 % 10 = 4 So 378238-81-4 is a valid CAS Registry Number.
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