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129453-38-9

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129453-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129453-38-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,4,5 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 129453-38:
(8*1)+(7*2)+(6*9)+(5*4)+(4*5)+(3*3)+(2*3)+(1*8)=139
139 % 10 = 9
So 129453-38-9 is a valid CAS Registry Number.

129453-38-9Downstream Products

129453-38-9Relevant articles and documents

ENANTIOSELECTIVE SYNTHESIS OF HYDROXY α-AMINO ACIDS. (-)-erythro- and (-)-threo-γ-HYDROXYNORVALINES

Ariza, Jesus,Font, Josep,Ortuno, Rosa M.

, p. 1931 - 1942 (2007/10/02)

The amino acids (-)-erythro- and (-)-threo-γ-hydroxynorvaline have been synthesized from D-ribonolactone, 6, as single chiral precursor.Moreover, β-hydroxy-α-azido-γ-valerolactones 12a and 12b have been also prepared from 6 in two different alternative wa

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