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1021646-90-1

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1021646-90-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1021646-90-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,6,4 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1021646-90:
(9*1)+(8*0)+(7*2)+(6*1)+(5*6)+(4*4)+(3*6)+(2*9)+(1*0)=111
111 % 10 = 1
So 1021646-90-1 is a valid CAS Registry Number.

1021646-90-1Downstream Products

1021646-90-1Relevant articles and documents

Peptide catalyzed asymmetric conjugate addition reactions of aldehydes to nitroethylene - A convenient entry into γ2-amino acids

Wiesner, Markus,Revell, Jefferson D.,Tonazzi, Sandro,Wennemers, Helma

, p. 5610 - 5611 (2008/12/22)

The peptide H-d-Pro-Pro-Glu-NH2 is a highly effective catalyst for conjugate addition reactions between aldehydes and nitroethylene. Only 1 mol % of H-d-Pro-Pro-Glu-NH2 and a 1.5-fold excess of aldehyde with respect to nitroethylene suffice to obtain γ-nitroaldehydes and, after reduction, monosubstituted γ-nitroalcohols in excellent yields and optical purities. The products can be readily converted into γ2-amino acids, thereby opening an effective direct entry into this important class of compounds. Copyright

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