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1,1,4,4-Tetramethyl-spiro<2.3>hexan-5-on is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23695-72-9

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23695-72-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23695-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,6,9 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 23695-72:
(7*2)+(6*3)+(5*6)+(4*9)+(3*5)+(2*7)+(1*2)=129
129 % 10 = 9
So 23695-72-9 is a valid CAS Registry Number.

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