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77228-30-9

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77228-30-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77228-30-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,2 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77228-30:
(7*7)+(6*7)+(5*2)+(4*2)+(3*8)+(2*3)+(1*0)=139
139 % 10 = 9
So 77228-30-9 is a valid CAS Registry Number.

77228-30-9Downstream Products

77228-30-9Relevant articles and documents

The Structure of a By-product obtained during the Reduction of 2-Phenyl-1-cyanoacrylic Acid

Baker, Wilson,King, Trevor J.,McOmie, John F. W.

, p. 462 - 464 (1981)

The by-product, C23H18N2O, obtained during the reduction of 2-phenyl-1-cyanoacrylic acid by sodium amalgam, has been shown by X-ray analysis to be 5-cyano-1,4,5-triphenylpyrrolidin-2-one with the two C-phenyl groups trans to each other.Its formation is at

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