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1246523-41-0

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1246523-41-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1246523-41-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,5,2 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1246523-41:
(9*1)+(8*2)+(7*4)+(6*6)+(5*5)+(4*2)+(3*3)+(2*4)+(1*1)=140
140 % 10 = 0
So 1246523-41-0 is a valid CAS Registry Number.

1246523-41-0Downstream Products

1246523-41-0Relevant articles and documents

Total synthesis of dictyodendrins A-E

Tokuyama, Hidetoshi,Okano, Kentaro,Fujiwara, Hideto,Noji, Toshiharu,Fukuyama, Tohru

supporting information; experimental part, p. 560 - 572 (2011/10/03)

A highly efficient total synthesis of dictyodendrins A-E was accomplished. The synthesis features a novel benzyne-mediated one-pot indoline formation/cross-coupling sequence for the construction of a highly substituted key indoline intermediate. Peripheral substituents were introduced onto this intermediate in a modular fashion to complete the total synthesis of dictyodendrins A-E. A benzyne-mediated one-pot indoline formation/cross-coupling sequence is used for the construction of a highly substituted common indole intermediate. The peripheral substituents were introduced using a Friedel-Crafts reaction on the indole intermediate in a modular fashion to complete the total synthesis. Copyright

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