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2942-55-4

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2942-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2942-55-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,4 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2942-55:
(6*2)+(5*9)+(4*4)+(3*2)+(2*5)+(1*5)=94
94 % 10 = 4
So 2942-55-4 is a valid CAS Registry Number.

2942-55-4Downstream Products

2942-55-4Relevant articles and documents

Preparation of α-ketophosphonates by oxidation of α-hydroxyphosphonates with chromium-based oxidants

Firouzabadi, Habib,Iranpoor, Nasser,Sobhani, Sara

, p. 1463 - 1471 (2004)

Various types of diethyl α-hydroxyphosphonates were efficiently converted to diethyl α-ketophosphonates by nicotinium dichromate (NDC), nicotinium chlorochromate (NCC), and isonicotinium dichromate (INDC) in high yields.

Preparation of α-ketophosphonates by oxidation of α-hydroxyphosphonates with neutral alumina supported potassium permanganate (NASPP) under solvent-free conditions and potassium permanganate in dry benzene

Firouzabadi, Habib,Iranpoor, Nasser,Sobhani, Sara

, p. 477 - 480 (2007/10/03)

Various types of α-hydroxyphosphonates were converted to α-ketophosphonates in high yields by potassium permanganate in dry benzene or by neutral alumina supported potassium permanganate (NASPP) under solvent-free conditions.

High yield preparation of α-ketophosphonates by oxidation of α-hydroxyphosphonates with zinc dichromate trihydrate (ZnCr2O7·3H2O) under solvent-free conditions

Firouzabadi, Habib,Iranpoor, Nasser,Sobhani, Sara,Sardarian, Ali-Reza

, p. 4369 - 4371 (2007/10/03)

Various types of α-hydroxyphosphonates were converted to α-ketophosphonates by zinc dichromate trihydrate in high yields and rates under solvent-free conditions.

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