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(2-ethoxy-3-ethoxycarbonyl-2-propenylidene)triphenylphosphorane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

27271-34-7

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27271-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27271-34-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,2,7 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 27271-34:
(7*2)+(6*7)+(5*2)+(4*7)+(3*1)+(2*3)+(1*4)=107
107 % 10 = 7
So 27271-34-7 is a valid CAS Registry Number.

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