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145072-02-2

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145072-02-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145072-02-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,0,7 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 145072-02:
(8*1)+(7*4)+(6*5)+(5*0)+(4*7)+(3*2)+(2*0)+(1*2)=102
102 % 10 = 2
So 145072-02-2 is a valid CAS Registry Number.

145072-02-2Relevant articles and documents

Studies on the Synthesis of Phytochrome and Related Tetrapyrroles. Dihydropyrromethenones by Photochemical Rearrangement of N-Pyrrolo Enamides

Jacobi, Peter A.,Buddhu, Subhas C.,Fry, Douglas,Rajeswari

, p. 2894 - 2906 (2007/10/03)

Dihydropyrromethenone 67b, a potential precursor for the synthesis of phytochrome 1, has been prepared in enantiomerically pure form beginning with N-aminopyrrole 64 and the acetylenic acid 62b. The key step involved a 3,5-sigmatropic rearrangement of N-pyrrolo enamide 66b.

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