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63449-80-9

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63449-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63449-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,4,4 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 63449-80:
(7*6)+(6*3)+(5*4)+(4*4)+(3*9)+(2*8)+(1*0)=139
139 % 10 = 9
So 63449-80-9 is a valid CAS Registry Number.

63449-80-9Relevant articles and documents

Convenient preparation of long-chain dialkyl phosphates: Synthesis of dialkyl phosphates

Aitken, R. Alan,Collett, Chris J.,Mesher, Shaun T. E.

experimental part, p. 2515 - 2518 (2012/09/05)

Reaction of phosphorus oxychloride with a primary alcohol (1.8 equiv) and triethylamine (1.8 equiv) in toluene, followed by filtration and treatment with steam, gives dialkyl phosphates in good yield and essentially free from trialkyl phosphate contamination. Georg Thieme Verlag Stuttgart · New York.

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