1449795-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1449795-44-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,7,9 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1449795-44:
(9*1)+(8*4)+(7*4)+(6*9)+(5*7)+(4*9)+(3*5)+(2*4)+(1*4)=221
221 % 10 = 1
So 1449795-44-1 is a valid CAS Registry Number.
1449795-44-1Relevant articles and documents
Coumarin-pyrrolizinone synthetic method of compound
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Paragraph 0027; 0031-0033, (2016/11/21)
The invention discloses a synthetic method of a coumarin-pyrrole compound. The synthetic method comprises the following step of: in a reactive solvent, with 4-amino coumarin compounds and disubstituted acetylene compounds as raw materials, under the catal
