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181178-74-5

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181178-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 181178-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,1,7 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 181178-74:
(8*1)+(7*8)+(6*1)+(5*1)+(4*7)+(3*8)+(2*7)+(1*4)=145
145 % 10 = 5
So 181178-74-5 is a valid CAS Registry Number.

181178-74-5Downstream Products

181178-74-5Relevant articles and documents

The facile synthesis of O,O-dialkyl α-halobenzylphosphonates from O,O-dialkyl α-hydroxybenzylphosphonates

Green, Donovan,Elgendy, Said,Patel, Geeta,Baban, Jehan A.,Skordalakes, Emmanuel,Husman, Wahid,Kakkar, Vijay V.,Deadman, John

, p. 10215 - 10224 (2007/10/03)

O,O-dialkyl α-hydroxybenzylphosphonates (1) can be easily converted in their corresponding α-bromo (2) or α-iodo (3) phosphonates, in quantitative yield, using N,N'-carbonyldiimidazole (CDI) in the presence of allyl bromide or methyl iodide.

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