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1173280-41-5

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1173280-41-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1173280-41-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,2,8 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1173280-41:
(9*1)+(8*1)+(7*7)+(6*3)+(5*2)+(4*8)+(3*0)+(2*4)+(1*1)=135
135 % 10 = 5
So 1173280-41-5 is a valid CAS Registry Number.

1173280-41-5Relevant articles and documents

Highly E-Selective, Stereoconvergent Nickel-Catalyzed Suzuki-Miyaura Cross-Coupling of Alkenyl Ethers

Ho, Guo-Ming,Sommer, Heiko,Marek, Ilan

supporting information, p. 2913 - 2917 (2019/04/25)

An improved method for the nickel-catalyzed Suzuki-Miyaura cross-coupling of alkenyl ethers is reported. This stereoconvergent protocol allows for the utilization of a wide range of alkenyl ethers and aryl boronic esters for the synthesis of variously sub

Studies toward the photochemical synthesis of functionalized [5]- and [6] carbohelicenes

Pearson, Morwenna S. M.,Carbery, David R.

supporting information; experimental part, p. 5320 - 5325 (2009/11/30)

(Chemical Equation Presented) An efficient route to nonsymmetrical helical menthyl esters by means of an oxidative photocyclization reaction of dissymmetric bis-stilbenes is reported. The developed route allows the introduction of functionality on rings A, E, or F, and the influence of the substituent pattern on the photochemical reaction has been examined. Diastereoselectivity is observed when a double chiral induction strategy with dimenthyl helicene esters synthesized in a 70:30 ratio of isomers is used.

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