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22741-54-4

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22741-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22741-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,7,4 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22741-54:
(7*2)+(6*2)+(5*7)+(4*4)+(3*1)+(2*5)+(1*4)=94
94 % 10 = 4
So 22741-54-4 is a valid CAS Registry Number.

22741-54-4Upstream product

22741-54-4Downstream Products

22741-54-4Relevant articles and documents

A new route to amino-2-propanol structures with adrenergic β-blocker activity using low valent titanium

Bermudez,Del Campo,Sinisterra,Llama

, p. 4137 - 4140 (1997)

Amino-2-propanol structures can be obtained by addition to dibenzyl acetals of in situ generated dihalocarbenes using LTV (Low Valent Titanium). This methodology can be used to obtain adrenergic β-blockers with amino-2-propanol structure. Tetrahalomethane are the best dihalocarbene precursors. The yields obtained using halofluromethanes can be increased by addition of carbontetrachloride. A process that can imply halogen transfer may be proposed.

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