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1078587-23-1

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1078587-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1078587-23-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,8,5,8 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1078587-23:
(9*1)+(8*0)+(7*7)+(6*8)+(5*5)+(4*8)+(3*7)+(2*2)+(1*3)=191
191 % 10 = 1
So 1078587-23-1 is a valid CAS Registry Number.

1078587-23-1Relevant articles and documents

High yield synthesis of 4H-1,4-benzothiazine-1,1-dioxide derivatives

De Montis, Stefania,Fattuoni, Claudia,Cadoni, Enzo,Cabiddu, Maria G.,Usai, Michele,Cabiddu, Salvatore

experimental part, p. 1445 - 1449 (2009/04/07)

(Chemical Equation Presented) 4H-1,4-Benzothiazine-1,1-dioxide derivatives were synthesized through a sequence of almost quantitative reactions. The commercial starting material 2-(methylsulfanyl)aniline was Boc-protected, N-acylated and oxidized at the sulfur atom to obtain a sulfonyl derivative. An anionic transposition of the acyl group followed by a simultaneous deprotection-cyclization gave the title products in excellent yields. All products and intermediates were fully characterized.

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