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Carbonic acid ethyl ester (3aR,4S,5aS,9aR,9bS)-2,2,8,8-tetramethyl-5-methylene-hexahydro-[1,3]dioxolo[4',5':3,4]benzo[1,2-d][1,3]dioxin-4-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

474103-74-7

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474103-74-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 474103-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,4,1,0 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 474103-74:
(8*4)+(7*7)+(6*4)+(5*1)+(4*0)+(3*3)+(2*7)+(1*4)=137
137 % 10 = 7
So 474103-74-7 is a valid CAS Registry Number.

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