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6776-31-4

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6776-31-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6776-31-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,7 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6776-31:
(6*6)+(5*7)+(4*7)+(3*6)+(2*3)+(1*1)=124
124 % 10 = 4
So 6776-31-4 is a valid CAS Registry Number.

6776-31-4Downstream Products

6776-31-4Relevant articles and documents

Catalytic Asymmetric Mannich Type Reaction with Tri-/Difluoro- or Trichloroacetaldimine Precursors

You, Yang'En,Luo, Sanzhong

, p. 7137 - 7140 (2018)

A highly efficient catalytic asymmetric Mannich type reaction of CF3-, CF2H-, or CCl3-acetaldimine precursors by a chiral primary amine is presented. This protocol provides facile access to chiral CF3

A chiral α - amino acid derivative and its preparation method (by machine translation)

-

Paragraph 0105; 0106; 0107; 0108, (2018/01/03)

The invention discloses a chiral α - amino acid derivative and its preparation method. The invention α - chiral amino acid derivatives, its structural formula shown in formula I: Its preparation method, comprises the following steps: with the carbonyl compound to the N, O - acetal of the mixture with a chiral primary uncle diamine organic small molecule catalyst, strong and weak acid mixing, reaction, to obtain the chiral α - amino acid compounds; the carbonyl compound including aldehyde and/or ketone. The invention chiral α - amino acid ester compound having a simple structure of the chiral primary uncle diamine organic small molecule catalyst catalytic, solvent-free, one-step synthesis, simple, high-efficiency. (by machine translation)

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