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3,3,3',3'-Tetrakis(trifluoromethyl)-1,1'-spiro<3H-2,1-benzixathiole> is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70091-68-8

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70091-68-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70091-68-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,0,9 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 70091-68:
(7*7)+(6*0)+(5*0)+(4*9)+(3*1)+(2*6)+(1*8)=108
108 % 10 = 8
So 70091-68-8 is a valid CAS Registry Number.

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