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1-methyl-1H-indole-5-acetaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128564-72-7

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128564-72-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128564-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,6 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128564-72:
(8*1)+(7*2)+(6*8)+(5*5)+(4*6)+(3*4)+(2*7)+(1*2)=147
147 % 10 = 7
So 128564-72-7 is a valid CAS Registry Number.

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