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128368-40-1

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128368-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128368-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,6 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128368-40:
(8*1)+(7*2)+(6*8)+(5*3)+(4*6)+(3*8)+(2*4)+(1*0)=141
141 % 10 = 1
So 128368-40-1 is a valid CAS Registry Number.

128368-40-1Downstream Products

128368-40-1Relevant articles and documents

A convenient synthesis of 1-acyl indolizines by 1,3-dipolar cycloaddition reactions of pyridinium ylides and α,β-unsaturated aldehydes or ketones in the presence of tetrakis-pyridine cobalt dichromate

Zhang, Xuechun,Cao, Weili,Wei, Xudong,Hu, Hongwen

, p. 1395 - 1403 (2007/10/03)

In the presence of tetrakispyridine cobalt dichromate (CoPy4(HCrO4)2), pyridinium ylides and α,β-unsaturated aldehydes or ketones undergo 1,3-dipolar cycloaddition reactions followed by in situ aromatization to give 1-acyl

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