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682334-42-5

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682334-42-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 682334-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,2,3,3 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 682334-42:
(8*6)+(7*8)+(6*2)+(5*3)+(4*3)+(3*4)+(2*4)+(1*2)=165
165 % 10 = 5
So 682334-42-5 is a valid CAS Registry Number.

682334-42-5Downstream Products

682334-42-5Relevant articles and documents

Reactions of N-(2-chloroacetyl)-α-amino acids with 3-cyanopyridine-2(1H)-thiones. New promising route to 3,4- dihydropyrido[3′,2′:4,5]thieno[3,2-e][1,4]diazepine-2(1H),5-diones

Fedorov,Shestopalov,Belyakov

, p. 2197 - 2202 (2007/10/03)

The reactions of N-(2-chloroacetyl)-α-amino acids with 3-cyanopyridine-2(1H)-thiones afforded N-(3-ammothieno[2,3-b]pyridin-2- ylcarbonyl)-α-amino acids. Heating of the latter smoothly produced 3,4-dihydropyrido[3′,2′:4,5]thieno[3,2-e][1,4]diazepine-2(1H), 5-diones in high yields.

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