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1239889-29-2

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1239889-29-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239889-29-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,8,8 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1239889-29:
(9*1)+(8*2)+(7*3)+(6*9)+(5*8)+(4*8)+(3*9)+(2*2)+(1*9)=212
212 % 10 = 2
So 1239889-29-2 is a valid CAS Registry Number.

1239889-29-2Upstream product

1239889-29-2Downstream Products

1239889-29-2Relevant academic research and scientific papers

Concise synthesis of five-membered ring carbasugars based on key ring-closing metathesis

Yang, Ya-Xi,Li, Zheng,Feng, Hui-Jin,Chen, Guo-Rong,Li, Yuan-Chao

scheme or table, p. 3848 - 3851 (2010/08/20)

A simple and efficient approach to the synthesis of five-membered ring carbasugars is achieved starting from readily available (R)-2,3-O- isopropylideneglyceraldehyde (2) through key ring-closing metathesis (RCM) in high overall yield. We have also confir

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