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203126-29-8

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203126-29-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203126-29-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,1,2 and 6 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 203126-29:
(8*2)+(7*0)+(6*3)+(5*1)+(4*2)+(3*6)+(2*2)+(1*9)=78
78 % 10 = 8
So 203126-29-8 is a valid CAS Registry Number.

203126-29-8Relevant articles and documents

Studies in anthraquinones: Preparation of 2-substituted-pyrimido anthraquinones and related fused 1,2,4-triazolo, tetrazolo and pyrazolino derivatives

Kangani,Master

, p. 651 - 656 (2007/10/03)

Syntheses of 2-substituted-4(3H)-oxopyrimido[4,5-a]anthraquinones 3, 4-hydrazino-2-substituted-pyrimido[4,5-a]anthraquinones 4, 5-substituted-1,2,4-triazolo[4,3-c]pyrimido[4,5-a]anthraquinones 5-7, tetrazolo[4,5-c]pynmido[4,5-a]anthraquinones 10, and pyrazolyl/pyrazolinylpyrimido[4,5-a]anthraquinones derivatives 11 and 12 have been reported.

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