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1071508-40-1

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1071508-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1071508-40-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,1,5,0 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1071508-40:
(9*1)+(8*0)+(7*7)+(6*1)+(5*5)+(4*0)+(3*8)+(2*4)+(1*0)=121
121 % 10 = 1
So 1071508-40-1 is a valid CAS Registry Number.

1071508-40-1Relevant articles and documents

Α-hydroxyacid salt

-

Paragraph 0049-0052, (2018/02/14)

PROBLEM TO BE SOLVED: To provide a novel method for manufacturing a salt of α-hydroxy acid as an intermediate for synthesizing α-hydroxy acid derivatives which promotes carboxylation promptly by the COsupplementation reaction even if the substrate having

Stereospecific palladium/copper cocatalyzed cross-coupling of α-alkoxy- and α-aminostannanes with acyl chlorides

Ye,Bhatt,Falck

, p. 1 - 5 (2007/10/02)

Stille-type cross-coupling between α-alkoxy(amino)stannanes and acyl chlorides affords α-hetero-substituted ketones in moderate to good yields when cocatalyzed by Pd and Cu(I) salts. The reaction is applicable to a wide range of tin compounds, especially those bearing α-electron-withdrawing groups such as benzoyloxy or acetyloxy, although some ethers (e.g., MOM) are also satisfactory. Aromatic acid chlorides give the best yields. Coupling of chiral α-alkoxystannanes, readily available by BINAL-H asymmetric reduction of acylstannanes, proceeds with retention of configuration.

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