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99744-41-9

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99744-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99744-41-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,4 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99744-41:
(7*9)+(6*9)+(5*7)+(4*4)+(3*4)+(2*4)+(1*1)=189
189 % 10 = 9
So 99744-41-9 is a valid CAS Registry Number.

99744-41-9Downstream Products

99744-41-9Relevant articles and documents

The 2-(Triphenylphosphonio)isopropyloxycarbonyl (Ppoc) Group and their Analoga Modified at the Phosphonium Center as Protecting Groups in Peptide Synthesis

Kunz, Horst,Schaumloeffel, Guenter

, p. 1784 - 1793 (2007/10/02)

The introduction into amino acids, the stability in peptide syntheses, and the selective removal of the 2-(triphenylphosphonio)isopropyloxycarbonyl (Ppoc) amino protecting group, and variants with (methyl)(diphenyl)phosphonium and (dimethyl)(phenyl)phosph

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