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Pyrimido[4,5-b]quinoline-2,4(3H,10H)-dione, 10-ethyl-3-methyl-5-[(2-phenylethyl)amino]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137347-74-1

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137347-74-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137347-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,4 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 137347-74:
(8*1)+(7*3)+(6*7)+(5*3)+(4*4)+(3*7)+(2*7)+(1*4)=141
141 % 10 = 1
So 137347-74-1 is a valid CAS Registry Number.

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