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52890-09-2

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52890-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52890-09-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,8,9 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 52890-09:
(7*5)+(6*2)+(5*8)+(4*9)+(3*0)+(2*0)+(1*9)=132
132 % 10 = 2
So 52890-09-2 is a valid CAS Registry Number.

52890-09-2Downstream Products

52890-09-2Relevant articles and documents

An improved synthesis of dichloroalkylphosphonates, chloroalkynes and terminal alkynes via diethyl dichloromethylphosphonate

Carran, John,Waschbuesch, Rachel,Marinetti, Angela,Savignac, Philippe

, p. 1494 - 1498 (2007/10/03)

Diethyl 1,1-dichloromethylphosphonate (2) was synthesised in good yield from the reduction of 1,1,1-trichloromethylphosphonate (1) with i-C3H7MgCl and subsequent hydrolysis. The reactivity of 2 towards α-alkylation and its utility in the synthesis of chloroalkynes and terminal alkynes was investigated.

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