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199536-41-9

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199536-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199536-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,5,3 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 199536-41:
(8*1)+(7*9)+(6*9)+(5*5)+(4*3)+(3*6)+(2*4)+(1*1)=189
189 % 10 = 9
So 199536-41-9 is a valid CAS Registry Number.

199536-41-9Downstream Products

199536-41-9Relevant articles and documents

Synthesis of Optically Active β-Lactams by the Reaction of 2-Acyl-3-phenyl-l-menthopyrazoles with C=N Compounds

Kashima, Choji,Fukusaka, Kiyoshi,Takahashi, Katsumi

, p. 1559 - 1565 (2007/10/03)

The reaction of 1-acyl-3,5-dimethyIpyrazoles 1 with C=N compounds was kinetically controlled with syn stereoselectivity through a lithium enolate intermediate using lithium diisopropylamide. In contrast, the anti stereoselective reaction of 1 was caused b

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