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88775-24-0

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88775-24-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88775-24-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,7,7 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 88775-24:
(7*8)+(6*8)+(5*7)+(4*7)+(3*5)+(2*2)+(1*4)=190
190 % 10 = 0
So 88775-24-0 is a valid CAS Registry Number.

88775-24-0Relevant articles and documents

Studies on the chemical constituents of rutaceous plants. XLIX. Development of a versatile method for the synthesis of antitumor-active benzo[c]phenanthridine alkaloids. (1). Preparation of various 2,4-bisaryl-4-oxobutyronitriles and 2,4-bisaryl-4-oxobutyramides

Ishii,Ishikawa,Deushi,et al.

, p. 3024 - 3038 (2007/10/02)

For the sake of establishment of a versatile synthetic method for benzo[c]phenanthridine alkaloids, improvement of the Robinson synthetic method was examined. Thirteen chalcones (7a-m) were prepared by condensation of two acetophenone derivatives (15 and 16) with eleven benzaldehyde derivatives (19a-k) as fundamental starting materials. Hydrocyanation of these chalcones (7a-1) except one (7m) gave the corresponding 2,4-bisaryl-4-oxobutyronitriles (8a-1). Eleven 2,4-bisaryl-4-oxobutyramides (9a-k) were also prepared.

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