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205113-79-7

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205113-79-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205113-79-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,1,1 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 205113-79:
(8*2)+(7*0)+(6*5)+(5*1)+(4*1)+(3*3)+(2*7)+(1*9)=87
87 % 10 = 7
So 205113-79-7 is a valid CAS Registry Number.

205113-79-7Downstream Products

205113-79-7Relevant articles and documents

Synthesis of 1H-Thieno[3,4-c]pyrazoles, Thieno[3,4-b]furans, Selenolo[3,4-b]furans and Pyrrolo[3,4-d]thiazoles

Shafiee,Ebrahimzadeh,Shahbazi,Hamedpanah

, p. 71 - 75 (2007/10/03)

Starting from the readily available aryl 2-methyl-5-phenyl-3-furyl ketones, 5-methyl-1H-1-phenylpyra- zole-4-yl ketones and 4-methyl-2-phenyl-5-thiazolylcarboxaldehyde, a series of 2-phenyl-4-arylthieno[3,4-b]-furan, 2-phenyl-4-(p-methoxyphenyl)selenolo[3,4-b]furan, 4-aryl-1H-1-phenylthieno[3,4-c]pyrazole and 5-benzyl-2-phenylpyrrolo[3,4-d]thiazole were prepared in high yield.

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