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20445-29-8

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20445-29-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20445-29-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,4 and 5 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20445-29:
(7*2)+(6*0)+(5*4)+(4*4)+(3*5)+(2*2)+(1*9)=78
78 % 10 = 8
So 20445-29-8 is a valid CAS Registry Number.

20445-29-8Downstream Products

20445-29-8Relevant articles and documents

SYNTHESIS OF THE RACEMIC FORM OF (Z)-1,17-DIAMINOOCTADEC-9-ENE, AN ALIPHATIC DIAMINE FROM COCCINELLIDAE. DETERMINATION OF THE ABSOLUTE CONFIGURATION OF THE (+)-NATURALLY-OCCURRING ANTIPODE

Braconnier, M.F.,Braekman, J.C.,Daloze, D.

, p. 605 - 614 (2007/10/02)

The total synthesis of the title compound (1) has been achieved.Also reported is the use of lanthanide induced shifts in 1H NMR spectroscopy to assign the absolute configuration of the α-carbon atom in chiral primary α-methylalkylamines.Application of this empirical method to natural (+)-1 shows that it has the R-configuration at C-17.

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