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1141748-40-4

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1141748-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1141748-40-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,1,7,4 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1141748-40:
(9*1)+(8*1)+(7*4)+(6*1)+(5*7)+(4*4)+(3*8)+(2*4)+(1*0)=134
134 % 10 = 4
So 1141748-40-4 is a valid CAS Registry Number.

1141748-40-4Relevant academic research and scientific papers

Formal total synthesis of N-methylmaysenine

Wang, Lin,Gong, Jianxian,Deng, Lujiang,Xiang, Zheng,Chen, Zhixing,Wang, Yuefan,Chen, Jiahua,Yang, Zhen

, p. 1809 - 1812 (2009)

A novel synthetic approach for the formal total synthesis of N-methylmaysenine (1) has been developed. Key steps Involve the Ti-mediated vlnylogous Mukaiyama aldol reaction of chlral ketene silyl N,O-acetal with β-dithiane-substituted aldehyde, an aldol c

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