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5-acetoxy-2'-phenyl-2H,7aH,8'H-spiro[cyclopenta[b]pyran-7,5'-[1,2,4]triazolo[1,2-a]pyridazine]-6,1',3'-trione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

67654-98-2

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67654-98-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67654-98-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,6,5 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67654-98:
(7*6)+(6*7)+(5*6)+(4*5)+(3*4)+(2*9)+(1*8)=172
172 % 10 = 2
So 67654-98-2 is a valid CAS Registry Number.

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