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203739-37-1

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203739-37-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203739-37-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,7,3 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 203739-37:
(8*2)+(7*0)+(6*3)+(5*7)+(4*3)+(3*9)+(2*3)+(1*7)=121
121 % 10 = 1
So 203739-37-1 is a valid CAS Registry Number.

203739-37-1Downstream Products

203739-37-1Relevant articles and documents

Asymmetric synthesis of ω-bromo-2(S)-azido acids as precursors for the synthesis of novel amino acids

Lundquist IV, Joseph T.,Dix, Thomas A.

, p. 775 - 778 (2007/10/03)

A series of ω-bromo-2(S)-azido acids with side-chain lengths ranging from 3-5 methylene units has been synthesized. These intermediates enable the facile synthesis of chiral non-natural amino acids containing virtually any nucleophile capable of substituting the ω-bromo group.

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