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78747-28-1

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78747-28-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78747-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,7,4 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78747-28:
(7*7)+(6*8)+(5*7)+(4*4)+(3*7)+(2*2)+(1*8)=181
181 % 10 = 1
So 78747-28-1 is a valid CAS Registry Number.

78747-28-1Downstream Products

78747-28-1Relevant articles and documents

Facile synthesis of a "ready to use" precursor of porphobilinogen and its amino acid derivatives

Soldermann, Carole Pissot,Vallinayagam, Ramakrishnan,Tzouros, Manuel,Neier, Reinhard

, p. 764 - 767 (2008/09/18)

(Chemical Equation Presented) A practical synthesis of porphobilinogen based on the biosynthetic mechanism is described. The crossed Mukayiama aldol reaction is the key step creating the central carbon-carbon bond between the two protected forms of 5-aminolevulinic acids. The optimized sequence gives a crystalline, storable precursor, which can be transformed in high yield into porphobilinogen and bioconjugates thereof. The enzymatic hydrolysis of the precursor produces porphobilinogen in quantitative yield.

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