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1138036-74-4

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1138036-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1138036-74-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,8,0,3 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1138036-74:
(9*1)+(8*1)+(7*3)+(6*8)+(5*0)+(4*3)+(3*6)+(2*7)+(1*4)=134
134 % 10 = 4
So 1138036-74-4 is a valid CAS Registry Number.

1138036-74-4Downstream Products

1138036-74-4Relevant articles and documents

Synthesis of O,O-diethyl arylthiophosphonate from O-aryl-O,O- diethylthiophosphate

Dieng, Thierno,Fraix, Aurore,Salaün, Jean-Yves,Dez, Isabelle,Klein Gebbink, Robertus J. M.,Van Koten, Gerard,Jaffrès, Paul-Alain

experimental part, p. 3121 - 3124 (2009/06/17)

The synthesis of O,O-diethyl 2-hydroxyarylthiophosphonate is reported by using a [1,3]-rearrangement. This method is achieved in high yield from ortho-bromophenols derivatives by a two-step process. Georg Thieme Verlag Stuttgart.

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