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3-[(3-methoxy-phenyl)-dimethyl-silanyl]-propionic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28971-22-4

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28971-22-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28971-22-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,7 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 28971-22:
(7*2)+(6*8)+(5*9)+(4*7)+(3*1)+(2*2)+(1*2)=144
144 % 10 = 4
So 28971-22-4 is a valid CAS Registry Number.

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