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1038478-81-7

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1038478-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1038478-81-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,8,4,7 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1038478-81:
(9*1)+(8*0)+(7*3)+(6*8)+(5*4)+(4*7)+(3*8)+(2*8)+(1*1)=167
167 % 10 = 7
So 1038478-81-7 is a valid CAS Registry Number.

1038478-81-7Relevant articles and documents

Ring opening of 2-(benzylamino)-2H-1,4-benzoxazin-3(4H)-ones and 2-bromo-2H-1,4-benzoxazin-3(4H)-ones

Ilas, Janez,Kikelj, Danijel

experimental part, p. 654 - 664 (2009/02/07)

Substituted 2-(benzylamino)-2H-1,4-benzoxazin-3(4H)-ones are unstable under alkaline and acidic conditions, undergoing opening of the benzoxazinone ring. 2-Bromo-2H-1,4-benzoxazin-3(4H)-ones show similar degradation under alkaline conditions, while replacement of Br at C(2) to give 2-hydroxy-2H-1,4-benzoxazin- 3(4H)-ones was observed only under mild alkaline conditions. Mechanisms of ring opening and degradation to 2-aminophenol derivatives are proposed.

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