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112825-83-9

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112825-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112825-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,8,2 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 112825-83:
(8*1)+(7*1)+(6*2)+(5*8)+(4*2)+(3*5)+(2*8)+(1*3)=109
109 % 10 = 9
So 112825-83-9 is a valid CAS Registry Number.

112825-83-9Upstream product

112825-83-9Relevant articles and documents

Reaction of 2-Nitroenamines and 2-Nitroalkenyl Sulfides with Ethyl Isocyanoacetate. A Novel Synthesis of 1-Hydroxypyrazoles

Uno, Hidemitsu,Kinoshita, Tomohito,Matsumoto, Koji,Murashima, Takashi,Ogawa, Takuji,Ono, Noboru

, p. 570 - 581 (2007/10/03)

We have show that 1-hydroxypyrazoles can be prepared easily and regioselectively from the reaction of nitroenamines with ethyl isocyanoacetate. α,β-Unsaturated aci-nitronates are formed in the reaction and are then hydrolysed to give the products by quenching with acid.

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