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1-Methyl-5-oxo-Δ2-pyrrolinyl-essigsaeure-(2)-ethylester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

98960-25-9

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98960-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98960-25-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,6 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 98960-25:
(7*9)+(6*8)+(5*9)+(4*6)+(3*0)+(2*2)+(1*5)=189
189 % 10 = 9
So 98960-25-9 is a valid CAS Registry Number.

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