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(4E)-(1R,3R,5R)-1-acetoxy-3-[(tert-butyldimethylsilyl)oxy]-6-oxa-4-[3-((tert-butyldimethylsilyl)oxy)propylidene]bicyclo[3.2.1]octan-7-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

780781-79-5

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780781-79-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 780781-79-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,0,7,8 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 780781-79:
(8*7)+(7*8)+(6*0)+(5*7)+(4*8)+(3*1)+(2*7)+(1*9)=205
205 % 10 = 5
So 780781-79-5 is a valid CAS Registry Number.

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