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4-Methoxy-3-((E)-styryl)-3H-isobenzofuran-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128174-49-2

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128174-49-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128174-49-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,7 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128174-49:
(8*1)+(7*2)+(6*8)+(5*1)+(4*7)+(3*4)+(2*4)+(1*9)=132
132 % 10 = 2
So 128174-49-2 is a valid CAS Registry Number.

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