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80421-90-5

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80421-90-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80421-90-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,4,2 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 80421-90:
(7*8)+(6*0)+(5*4)+(4*2)+(3*1)+(2*9)+(1*0)=105
105 % 10 = 5
So 80421-90-5 is a valid CAS Registry Number.

80421-90-5Downstream Products

80421-90-5Relevant articles and documents

Synthesis of mixed alkylphosphites and alkylphosphates

Ilia, Gheorghe,Popa, Adriana,Iliescu, Smaranda,Bora, Alina,Dehelean, Gheorghe,Pascariu, Aurelia

, p. 1513 - 1519 (2007/10/03)

Some mixed phosphites having two different alkyl chain were obtained as forerunners for mixed phosphates Mixed dialkyl phosphates were obtained in good yields (40-80%) by phase transfer catalysis in liquid-liquid sistem, starting from different dialkyl phosphites and aliphatic alcohols. The reaction conditions were optimized in order to obtain good yields in phosphites and phosphates respectively. Compounds were analyzed by IR, P31-NMR.

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