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123172-76-9

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123172-76-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123172-76-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,1,7 and 2 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 123172-76:
(8*1)+(7*2)+(6*3)+(5*1)+(4*7)+(3*2)+(2*7)+(1*6)=99
99 % 10 = 9
So 123172-76-9 is a valid CAS Registry Number.

123172-76-9Downstream Products

123172-76-9Relevant articles and documents

SYNTHESIS OF OPTICALLY-ACTIVE EPHEDRINE-LIKE COMPOUNDS via COORDINATED DIASTEREOSELECTIVE FRIEDEL-CRAFTS ALKYLATION OF PHENOL SYSTEMS

Bigi, Franca,Casnati, Giuseppe,Sartori, Giovanni,Araldi, Gianluca

, p. 413 - 419 (2007/10/02)

The first direct diastereoselective synthesis of ephedrine-like compounds has been performed by hydroxyalkylation of metal phenolates with N-protected α-amino aldehydes: β-amino-ortho-hydroxybenzyl alcohols were obtained with good to excellent diastereose

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