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4-p-<ω-4-benzoylthiosemicarbazono)-α-ethyl>-anilino-2-phenylphthalazin-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128503-11-7

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128503-11-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128503-11-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,0 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128503-11:
(8*1)+(7*2)+(6*8)+(5*5)+(4*0)+(3*3)+(2*1)+(1*1)=107
107 % 10 = 7
So 128503-11-7 is a valid CAS Registry Number.

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