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1252030-16-2

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1252030-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1252030-16-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,2,0,3 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1252030-16:
(9*1)+(8*2)+(7*5)+(6*2)+(5*0)+(4*3)+(3*0)+(2*1)+(1*6)=92
92 % 10 = 2
So 1252030-16-2 is a valid CAS Registry Number.

1252030-16-2Downstream Products

1252030-16-2Relevant articles and documents

Efficient preparation of 3-fluoropyrrole derivatives

Kim, Bo Mi,San, Quan-Ze,Bhatt, Lok Ranjan,Kim, Sung Kwon,Chai, Kyu-Yun

experimental part, p. 31 - 34 (2010/08/04)

Noble N-substituted-3-fluoropyrroles derivatives were prepared from new precursor via ring formation. The addition reaction of ethyl iododifluoroacetate to vinyl trimethylsilane under the Cu(0) catalyst resulted in the formation of ethyl-2,2-difluoro-4-iodo-4-(trimethylsilyl)butanolate, which reacted with diisobutylaluminium hydride at- 30 °C to yield 2,2-diflouro-4-iodo-4- (trimethylsilyl)butanal. Finally, a series of N-substituted-3-fluoropyrrole derivatives were synthesized by the reaction of 2,2-diflouro-4-iodo-4- (trimethylsilyl)butanal with NH4OH or primary amines followed by reaction with KF solution.

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