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9-Hydroxymethyl-6-methyl-2-oxo-2,7,8,9-tetrahydro-azuleno[4,5-b]furan-3-carbaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

130772-75-7

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130772-75-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130772-75-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,7,7 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 130772-75:
(8*1)+(7*3)+(6*0)+(5*7)+(4*7)+(3*2)+(2*7)+(1*5)=117
117 % 10 = 7
So 130772-75-7 is a valid CAS Registry Number.

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