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371965-85-4

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371965-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 371965-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,1,9,6 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 371965-85:
(8*3)+(7*7)+(6*1)+(5*9)+(4*6)+(3*5)+(2*8)+(1*5)=184
184 % 10 = 4
So 371965-85-4 is a valid CAS Registry Number.

371965-85-4Downstream Products

371965-85-4Relevant articles and documents

Novel syntheses of 2,3-dihydro-1,5-benzothiazepin-4(5H)-ones and 2H-1,4-benzothiazin-3(4H)-ones

Katritzky,Odens,Zhang,Rostek,Maender

, p. 6792 - 6796 (2007/10/03)

Nucleophilic additions of α-mercaptoalkanoate esters and β-mercaptoalkanoate acids to benzoquinone diimines, followed by cyclization with trifluoroacetic acid or 1,3-dicyclohexylcarbodiimide (DCC), provide novel, high-yielding syntheses of 2H-1,4-benzothiazin-3(4H)-ones (3a-f) and 2,3-dihydro-1,5-benzothiazepin-4(5H)-ones (5a-c), respectively.

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