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(i-C4H9)3SnOSi(CH3)(C4H9-i)C6H5 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

18771-66-9

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18771-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18771-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,7 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 18771-66:
(7*1)+(6*8)+(5*7)+(4*7)+(3*1)+(2*6)+(1*6)=139
139 % 10 = 9
So 18771-66-9 is a valid CAS Registry Number.

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