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1,11-bis-chloromethyl-1,1,3,3,5,5,7,7,9,9,11,11-dodecamethyl-hexasiloxane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

17909-28-3

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17909-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17909-28-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,0 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17909-28:
(7*1)+(6*7)+(5*9)+(4*0)+(3*9)+(2*2)+(1*8)=133
133 % 10 = 3
So 17909-28-3 is a valid CAS Registry Number.

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