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497144-19-1

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497144-19-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 497144-19-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,1,4 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 497144-19:
(8*4)+(7*9)+(6*7)+(5*1)+(4*4)+(3*4)+(2*1)+(1*9)=181
181 % 10 = 1
So 497144-19-1 is a valid CAS Registry Number.

497144-19-1Downstream Products

497144-19-1Relevant articles and documents

Asymmetric total synthesis of martinelline and martinellic acid

Ikeda, Shuhei,Shibuya, Masatoshi,Iwabuchi, Yoshiharu

, p. 504 - 506 (2007/10/03)

Herein, we describe the first asymmetric total synthesis of (-)-martinelline ((-)-2) and the second total synthesis of (-)-martinellic acid ((-)-1) by employing a tandem Mukaiyama-Mannich reaction/aminal cyclization as the key step. The Royal Society of C

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