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173213-19-9

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173213-19-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173213-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,2,1 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 173213-19:
(8*1)+(7*7)+(6*3)+(5*2)+(4*1)+(3*3)+(2*1)+(1*9)=109
109 % 10 = 9
So 173213-19-9 is a valid CAS Registry Number.

173213-19-9Downstream Products

173213-19-9Relevant articles and documents

Hydrazone compound and the use thereof

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, (2008/06/13)

Hydrazone compound useful as an excellent organic nonlinear optical material and a highly sensitive coloring chelation agent, represented by the following formula (1): STR1 wherein Ar is a substituted or an non-substituted 2-imidazolyl group, a 4-imidazolyl group, 3-pyrazolyl group, 3-pyridazinyl, 2-pyrimidinyl, 4-pyrimidinyl, 2-quinolyl, 1-isoquinolyl, 3-isoquinolyl, 1-phthalazinyl, 2-quinazolinyl, 2-benzimidazolyl, 2-benzothiazolyl, or 2-thiazolyl group, R1 is a nitro group, cyano group or trifluoromethyl group, R2 is a nitro group, cyano group, trifluoromethyl group or a halogen atom, or a substituted or an non-substituted alkyl group, R3 is a hydrogen atom, and n is an integer from 0 to 3.

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