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213698-07-8

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213698-07-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213698-07-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,6,9 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 213698-07:
(8*2)+(7*1)+(6*3)+(5*6)+(4*9)+(3*8)+(2*0)+(1*7)=138
138 % 10 = 8
So 213698-07-8 is a valid CAS Registry Number.

213698-07-8Downstream Products

213698-07-8Relevant articles and documents

N,N′-Dialkyldiamide-Type Phosphate Protecting Groups for Fmoc Synthesis of Phosphotyrosine-Containing Peptides: Optimization of the Alkyl Group

Ueki, Masaaki,Goto, Mitsutaka,Okumura, Jin,Ishii, Yusuke

, p. 1887 - 1898 (2007/10/03)

Synthesis and evaluation of three Fmoc-phosphotyrosine derivatives with a phosphate group protected as N,N'dialkyldiamide (alkyl = Prn, Pri, and Bui) were studied. All the derivatives were obtained as crystals, among which the Bu' derivative (4c) was the best in ease of preparation and excellence in cleavage property. Solid phase synthesis of a methionine-containing peptide, H-TVr(PO3H2)-Val-Pro-Met-Leu-OH, could be done without any problems.

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