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4‐triphenylmethyl‐1,2‐benzoquinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

43207-91-6

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43207-91-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 43207-91-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,2,0 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 43207-91:
(7*4)+(6*3)+(5*2)+(4*0)+(3*7)+(2*9)+(1*1)=96
96 % 10 = 6
So 43207-91-6 is a valid CAS Registry Number.

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