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1256285-01-4

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1256285-01-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256285-01-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,2,8 and 5 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1256285-01:
(9*1)+(8*2)+(7*5)+(6*6)+(5*2)+(4*8)+(3*5)+(2*0)+(1*1)=154
154 % 10 = 4
So 1256285-01-4 is a valid CAS Registry Number.

1256285-01-4Downstream Products

1256285-01-4Relevant articles and documents

Highly efficient route to functionalized tetrahydrocarbazoles using a tandem cross-metathesis/intramolecular-hydroarylation sequence

An, Xiao-Lei,Chen, Jia-Rong,Li, Chang-Feng,Zhang, Fu-Gen,Zou, You-Quan,Guo, Ying-Cen,Xiao, Wen-Jing

, p. 2258 - 2265 (2011/06/11)

The scope of the novel ruthenium-catalyzed tandem cross-metathesis/ intramolecular-hydroarylation sequence is described. This methodology offers a practical and efficient synthesis of structurally diverse and complex tetrahydrocarbazoles in good to excellent yields (up to 98%). Moreover, preliminary efforts towards the development of an enantioselective version of the current process by sequential catalysis with ruthenium complex and chiral amine are presented, with high yields and enantioselectivities (up to 88% yield and 91% ee).

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