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90654-88-9

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90654-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90654-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,5 and 4 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90654-88:
(7*9)+(6*0)+(5*6)+(4*5)+(3*4)+(2*8)+(1*8)=149
149 % 10 = 9
So 90654-88-9 is a valid CAS Registry Number.

90654-88-9Relevant articles and documents

Carboxydiphenyl Phosphane Sulfides

Hennig, Heinz-Werner,Sartori, Peter,Steinbrecht, Ulrich

, p. 284 - 289 (2007/10/02)

Carboxydiphenyl phosphane sulfides (C6H5)2P(S)(OC(O)R) (2) (R = CH3 2a, C2H5 2b, C17H35 2c, (CH3)3C 2d, C6H5 2e) were prepared by reacting silver salts of carboxylic acids AgOC(O)R with (C6H5)2P(S)Cl (Scheme 1) or by treating carboxylic acids with (C6H5)2P(S)Cl in the presence of triethyl amine (Scheme 2) and spectroscopically characterized.Thermal stability and stability against hydrolysis of the mixed anhydrides is unusually high. - Key words: Carboxydiphenyl Phosphane Sulfides, Thermal Stability

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