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648424-24-2

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648424-24-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 648424-24-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,8,4,2 and 4 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 648424-24:
(8*6)+(7*4)+(6*8)+(5*4)+(4*2)+(3*4)+(2*2)+(1*4)=172
172 % 10 = 2
So 648424-24-2 is a valid CAS Registry Number.

648424-24-2Downstream Products

648424-24-2Relevant articles and documents

A convergent asymmetric synthesis of a growth hormone secretagogue

Zheng, Nan,Armstrong III, Joseph D.,Eng, Kan K.,Keller, Jennifer,Liu, Tom,Purick, Robert,Lynch, Joseph,Hartner, Frederick W.,Volante

, p. 3435 - 3446 (2007/10/03)

Described herein is a convergent asymmetric synthesis of growth hormone secretagogue (GHS) suitable for large-scale preparations. Key features include: (1) an improved method for α-iodination of a lactam; (2) a novel synthesis of a disubstituted urea usin

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