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73172-43-7

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73172-43-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73172-43-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,7 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73172-43:
(7*7)+(6*3)+(5*1)+(4*7)+(3*2)+(2*4)+(1*3)=117
117 % 10 = 7
So 73172-43-7 is a valid CAS Registry Number.

73172-43-7Relevant articles and documents

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Zechmeister,McNeely,Solyom

, p. 1922 (1942)

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Preparation of optically pure (1r,2s)- and (1s,2r)-di-p-methoxyphenyl amino alcohol

Liao, Jian,Zhang, Yili,Li, Zhi,Chen, Daimo,Chan, Albert S. C.

, p. 3465 - 3472 (2007/10/03)

Racemic di-p-methoxyphenyl amino alcohol was synthesized in three steps. Optically pure di-p-methoxyphenyl amino alcohols were obtained by recrystallization. The absolute configuration of the amino alcohol was determined by X-ray crystallography.

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