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71989-12-3

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71989-12-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71989-12-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,8 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 71989-12:
(7*7)+(6*1)+(5*9)+(4*8)+(3*9)+(2*1)+(1*2)=163
163 % 10 = 3
So 71989-12-3 is a valid CAS Registry Number.

71989-12-3Downstream Products

71989-12-3Relevant articles and documents

Active Esters of 9-Fluorenylmethyloxycarbonyl Amino Acids and Their Application in the Stepwise Lengthening of a Peptide Chain

Bodanszky, Agnes,Bodanszky, Miklos,Chandramouli, Nagarajan,Kwei, Joseph Z.,Martinez, Jean,Tolle, John C.

, p. 72 - 76 (2007/10/02)

Preparation and properties of p-nitrophenyl esters of several 9-fluorenylmethyloxycarbonyl (Fmoc) amino acids are described.The Fmoc derivatives of the hindered amino acids valine and isoleucine were converted to the more reactive o-nitrophenyl esters whi

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