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80887-91-8

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80887-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80887-91-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,8,8 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 80887-91:
(7*8)+(6*0)+(5*8)+(4*8)+(3*7)+(2*9)+(1*1)=168
168 % 10 = 8
So 80887-91-8 is a valid CAS Registry Number.

80887-91-8Relevant articles and documents

SPIROCYCLIC MEISENHEIMER COMPLEXES. XV. FORMATION OF 2,3-DIHYDRO-1,4-BENZOTHIAZINES AS A RESULT OF INTRAMOLECULAR NUCLEOPHILIC CYCLIZATION OF 1-(β-N-R-AMINOETHYLTHIO)-2,4- AND 1-(β-N-R-AMINOETHYLTHIO)-2,6-DINITROBENZENES

Knyazev, V. N.,Drozd, V. N.,Mozhaeva, T. Ya.

, p. 2124 - 2130 (2007/10/02)

The intramolecular nucleophilic substitution of the ortho-nitro group in 1-(β-N-methylaminoethylthio)-2,4- and 1-(β-N-methylaminoethylthio)-2,6-dinitrobenzenes takes place with a preliminary reversible Smiles rearrangement, as a result of which both possi

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