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22977-89-5

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22977-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22977-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,9,7 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22977-89:
(7*2)+(6*2)+(5*9)+(4*7)+(3*7)+(2*8)+(1*9)=145
145 % 10 = 5
So 22977-89-5 is a valid CAS Registry Number.

22977-89-5Downstream Products

22977-89-5Relevant articles and documents

Substituted N-Cyanomethyl-2-halo-N-methylarenecarboxamides as Precursors of 1,4-Benzothiazepines

Doelling, Wolfgang,Perjessy, Alexander,Schaller, Ingrid,Kolbe, Alfred

, p. 225 - 229 (2007/10/03)

2-Halogeno substituted N-cyanomethyl-N-methylbenzamides 1a-1i were investigated in a correlation analysis by ir spectroscopy to determine the conformational behavior. Compound 1h gives 4-methyl-2-methylthio-8-nitro-5-oxo-4,5-dihydro-1,4-benzothiazepine-3- carbonitrile 3 by dithiocarboxylation procedure whereas 1b was not able to react to heterocyclic seven-membered ring system.

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