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90128-95-3

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90128-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90128-95-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,2 and 8 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90128-95:
(7*9)+(6*0)+(5*1)+(4*2)+(3*8)+(2*9)+(1*5)=123
123 % 10 = 3
So 90128-95-3 is a valid CAS Registry Number.

90128-95-3Relevant articles and documents

Asymmetric synthesis of primary amines by nucleophilic addition of alkyllithium compounds to aldehyde SAMP/RAMP hydrazones

Enders, Dieter,Nuebling, Christoph,Schubert, Heinrich

, p. 1089 - 1100 (1997)

The aldehydes 1 or 5 are converted to the SAMP hydrazones 2 or the α-alkylated SAMP hydrazones 7 and treated with organolithium compounds at low temperature. Cleavage of the N-N bond of the resulting hydrazines 3 and 8 with Raney-Ni/H2, or of t

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