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74915-49-4

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74915-49-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74915-49-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,1 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74915-49:
(7*7)+(6*4)+(5*9)+(4*1)+(3*5)+(2*4)+(1*9)=154
154 % 10 = 4
So 74915-49-4 is a valid CAS Registry Number.

74915-49-4Relevant articles and documents

SYNTHESE VON APOCAROTINOIDEN MIT EINER ANDERS GELAGERTEN METHYLGRUPPE; STRUKTURAUFKLAERUNG VON CITRUS-CAROTINOIDEN

Pfander, Hanspeter,Hadorn, Martin,Lachenmeier, Andreas,Englert, Gerhard

, p. 716 - 727 (2007/10/02)

With regard to the investigation of the biosynthesis of the C30-carotenoids in citrus fruits apocarotenoids with a methyl group shifted by one position (diapocarotenoids) were synthesized.Characteristical differences, especially in the 270-MHz-1H-NMR. spectra between the apo- and the diapocarotenoids are reported.The comparison of the natural pigments with the synthetic compounds proves that the natural products belong to the apocarotenoids as has been postulated earlier.

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