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1257405-72-3

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1257405-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257405-72-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,4,0 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1257405-72:
(9*1)+(8*2)+(7*5)+(6*7)+(5*4)+(4*0)+(3*5)+(2*7)+(1*2)=153
153 % 10 = 3
So 1257405-72-3 is a valid CAS Registry Number.

1257405-72-3Upstream product

1257405-72-3Downstream Products

1257405-72-3Relevant academic research and scientific papers

Stereoselective total synthesis of alkaloid caulophyllumine B using iterative olefin cross-metathesis protocol

Radha Krishna, Palakodety,Reddy, Bonepally Karunakar

, p. 6262 - 6264 (2010)

Herein we report the first total synthesis of alkaloid caulophyllumine B in 14 steps by an iterative olefin cross-metathesis strategy from l-glutamic acid.

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