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137348-91-5

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137348-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137348-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,4 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137348-91:
(8*1)+(7*3)+(6*7)+(5*3)+(4*4)+(3*8)+(2*9)+(1*1)=145
145 % 10 = 5
So 137348-91-5 is a valid CAS Registry Number.

137348-91-5Relevant articles and documents

Alternative Strategies for the Fmoc Solid-Phase Synthesis of O4-Phospho-L-tyrosine-Containing Peptides

Kitas, Eric A.,Knorr, Reinhard,Trzeciak, Arnold,Bannwarth, Willi

, p. 1314 - 1328 (1991)

A number of biologically relevant O4-phospho-L-tyrosine-containing peptides have been synthesized by either the global phosphorylation of the side-chain-unprotected L-tyrosine moiety in presynthesized resin-bound peptides or alternatively by the incorporation of suitable protected O4-phospho-L-tyrosine building blocks in the continuous-flow method of Fmoc solid-phase peptide synthesis.Different phosphate-protecting groups have been applied.

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