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1209050-95-2

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1209050-95-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1209050-95-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,9,0,5 and 0 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1209050-95:
(9*1)+(8*2)+(7*0)+(6*9)+(5*0)+(4*5)+(3*0)+(2*9)+(1*5)=122
122 % 10 = 2
So 1209050-95-2 is a valid CAS Registry Number.

1209050-95-2Downstream Products

1209050-95-2Relevant articles and documents

Cyclic ketals of tartaric acid: Simple and tunable reagents for the determination of the absolute configuration of primary amines

Shim, You-Jin,Choi, Kihang

supporting information; experimental part, p. 880 - 882 (2010/04/27)

(Figure Presented) 2,2Diphenyl-[1,3]dioxolane-4,5-dicarboxylic acid (DPD) and 2,2-dinaphthalen-2-yl-[1,3]dioxolane-4,5-dicarboxylic acid (DND) have been synthesized starting from dimethyl tartrate. DPD and DND amides of α-chiral primary amines showed significantly different 1H chemical shift values depending on the stereochemistry of the derivatizing agent. On the basis of this chemical shift difference, the absolute configuration of amine substrates could be assigned. DND amides showed significantly larger chemical shift differences than the corresponding DPD amides allowing for a more error-free assignment.

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