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hex-3-ene-2,5-dione mono-phenylhydrazone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

55007-91-5

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55007-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55007-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,0,0 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 55007-91:
(7*5)+(6*5)+(5*0)+(4*0)+(3*7)+(2*9)+(1*1)=105
105 % 10 = 5
So 55007-91-5 is a valid CAS Registry Number.

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