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1453857-50-5

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1453857-50-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1453857-50-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,3,8,5 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1453857-50:
(9*1)+(8*4)+(7*5)+(6*3)+(5*8)+(4*5)+(3*7)+(2*5)+(1*0)=185
185 % 10 = 5
So 1453857-50-5 is a valid CAS Registry Number.

1453857-50-5Downstream Products

1453857-50-5Relevant articles and documents

Studies on substituted heteroarenes: New synthesis of substituted pyrrole, pyridine, pyrazolo[4,3-bpyridine, pyrano [3,2-c]quinoline, benzo [f] chromene, benzo[h] chromene, chromeno [8,7-h]chromene, chromeno[6,5-f] chromene and 2H-chromene derivatives

El-Taweel,Elagamey,Elmougy, Sh.M.

, p. 703 - 721 (2014/04/03)

SEVERAL new pyrazolo[4,3-b] pyridines )7a,b( were prepared by reacting arylmethylenenitriles )1a,c or 1i,j( with 4-nitrosoantipyrine )4(. Reacting 1a,b,d with 4-azidomethylcarbonylantipyrine 8 gave 2-aminopyrrole (14). Pyrano[3,2-c] quinolines (20a,b and

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