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198205-99-1

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198205-99-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198205-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,2,0 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 198205-99:
(8*1)+(7*9)+(6*8)+(5*2)+(4*0)+(3*5)+(2*9)+(1*9)=171
171 % 10 = 1
So 198205-99-1 is a valid CAS Registry Number.

198205-99-1Downstream Products

198205-99-1Relevant 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 (2003)

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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