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methyl (R,S)-6-acetyl-3,4-dihydro-7-<5-<(methylsulfonyl)oxy>pentyloxy>-2H-1-benzopyran-2-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128501-53-1

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128501-53-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128501-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,0 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128501-53:
(8*1)+(7*2)+(6*8)+(5*5)+(4*0)+(3*1)+(2*5)+(1*3)=111
111 % 10 = 1
So 128501-53-1 is a valid CAS Registry Number.

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