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74994-62-0

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74994-62-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74994-62-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,9 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74994-62:
(7*7)+(6*4)+(5*9)+(4*9)+(3*4)+(2*6)+(1*2)=180
180 % 10 = 0
So 74994-62-0 is a valid CAS Registry Number.

74994-62-0Relevant articles and documents

A Modular Access to (±)-Tubocurine and (±)-Curine - Formal Total Synthesis of Tubocurarine

Otto, Nicola,Ferenc, Dorota,Opatz, Till

, p. 1205 - 1217 (2018/06/18)

Two consecutive Cu-catalyzed Ullmann-type C-O couplings permitted the first successful entry toward the curare alkaloids (±)-tubocurine and (±)-curine. Starting from vanillin, the synthetic sequence comprises 15 linear steps and includes a total of 24 transformations. In addition, the total synthesis of tubocurine represents a formal total synthesis of the famous arrow poison alkaloid tubocurarine.

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