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3,3,3',3'-tetramethyl-3H,3'H-[1,1']spirobi(benzo[c][1,2]oxaphospholium); trifluoromethanesulfonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

68823-63-2

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68823-63-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68823-63-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,8,2 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 68823-63:
(7*6)+(6*8)+(5*8)+(4*2)+(3*3)+(2*6)+(1*3)=162
162 % 10 = 2
So 68823-63-2 is a valid CAS Registry Number.

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