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89919-90-4

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89919-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89919-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,1 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89919-90:
(7*8)+(6*9)+(5*9)+(4*1)+(3*9)+(2*9)+(1*0)=204
204 % 10 = 4
So 89919-90-4 is a valid CAS Registry Number.

89919-90-4Downstream Products

89919-90-4Relevant articles and documents

Biocatalytic access to α,α-dialkyl-α-amino acids by a mechanism-based approach

Fesko, Kateryna,Uhl, Michael,Steinreiber, Johannes,Gruber, Karl,Griengl, Herfried

supporting information; experimental part, p. 121 - 124 (2010/04/04)

(figure presented) New donors - new products: Threonine aldolases (L-TA, D-TA) have now been found to accept donors other than glycine. In a simple asymmetric biocatalytic aldol reaction alanine, serine, and cysteine reacted with a range of simple acceptor aldehydes to yielded α-substituted serine derivatives (see scheme; PLP=pyridoxal phosphate).

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