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1217669-02-7

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1217669-02-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1217669-02-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,6,6 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1217669-02:
(9*1)+(8*2)+(7*1)+(6*7)+(5*6)+(4*6)+(3*9)+(2*0)+(1*2)=157
157 % 10 = 7
So 1217669-02-7 is a valid CAS Registry Number.

1217669-02-7Downstream Products

1217669-02-7Relevant articles and documents

Azide- and alkyne-functionalised α- And β3-amino acids

Sminia, Tjerk Jacco,Pedersen, Daniel Sejer

, p. 2643 - 2646,4 (2012)

The synthesis and full characterisation of bifunctional β3-amino acids that have side chains functionalised with terminal azides (S)-4 and (R)-4 or acetylenes 5 and 6 is reported for the first time. The building blocks incorporate a turn-inducing β3-segment and a side chain that can be functionalised further, for example, through copper-catalysed Huisgen cycloaddition. Moreover, the corresponding α-amino acids 1 and 3 have been synthesised and characterised. All amino acid building blocks were of high optical purity as demonstrated by derivatisation and subsequent NMR analysis.

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