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74650-77-4

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74650-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74650-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,5 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74650-77:
(7*7)+(6*4)+(5*6)+(4*5)+(3*0)+(2*7)+(1*7)=144
144 % 10 = 4
So 74650-77-4 is a valid CAS Registry Number.

74650-77-4Downstream Products

74650-77-4Relevant articles and documents

Synthesis of 2-Chloro-5-hydroxynicotinonitrile: The Required Intermediate in the Total Synthesis of a Hydroxylated Metabolite of (S)-2-(3-t-Butylamino-2-hydroxypropoxy)-3-cyanopyridine

Ponticello, Gerald S.,Engelhardt, Edward L.,Freedman, Mark B.,Baldwin, John J.

, p. 445 - 448 (2007/10/02)

A convenient method for the synthesis of 2-chloro-5-hydroxynicotinonitrile (10) via 5-amino-2-chloro-3-methylpyridine (3) is described.Subsequent conversions provided the basic metabolite 2 of (S)-2-(3-t-butylamino-2-hydroxypropoxy)-3-cyanopyridine (1). 1

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