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1256376-23-4

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1256376-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256376-23-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,3,7 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1256376-23:
(9*1)+(8*2)+(7*5)+(6*6)+(5*3)+(4*7)+(3*6)+(2*2)+(1*3)=164
164 % 10 = 4
So 1256376-23-4 is a valid CAS Registry Number.

1256376-23-4Upstream product

1256376-23-4Relevant academic research and scientific papers

Stereospecific halogenation of P(O)-H bonds with copper(II) chloride affording optically active Z1Z2P(O)Cl

Zhou, Yongbo,Wang, Gang,Saga, Yuta,Shen, Ruwei,Goto, Midori,Zhao, Yufen,Han, Li-Biao

supporting information; experimental part, p. 7924 - 7927 (2011/02/23)

A general and efficient method for the preparation of optically active Z1Z2P(O)Cl from the easily prepared optically active H-phosphinates and H-phosphine oxides was reported. H-Phosphinates and H-phosphine oxides react stereospecifi

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