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98807-13-7

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98807-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98807-13-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,8,0 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 98807-13:
(7*9)+(6*8)+(5*8)+(4*0)+(3*7)+(2*1)+(1*3)=177
177 % 10 = 7
So 98807-13-7 is a valid CAS Registry Number.

98807-13-7Downstream Products

98807-13-7Relevant articles and documents

ENANTIOSELECTIVE SYNTHESIS OF PEPTIDES USING (1R)-3-HYDROXY-1,8,8-TRIMETHYL-3-AZABICYCLOOCTANE-2,4-DIONE ((+)-N-HYDROXYCAMPHORIMIDE) AN ACTIVE ESTER GROUP

Takeda, Kazuyoshi,Tsuboyama, Kanoko,Suzuki, Akira,Ogura, Haruo

, p. 2545 - 2548 (2007/10/02)

The enantioselective coupling reaction of N-protected amino acid (+)-N-hydroxycamphorimide esters (-OCamp) with racemic amino acid esters is discussed.The coupling reaction of several amino acids showed high enantioselectivity.Keywords-enantioselective synthesis; (+)-N-hydroxycamphorimide; peptide, active ester; coupling reaction

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