Cas 19964-85-3,trans-2,2''-di-p-tolyl-dispiro[benzo[d][1,3]thiazine-4,4'-[1,3]dithiolane-5',4''-benzo[d][1,3]thiazine]

19964-85-3

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Basic information

Product Name: trans-2,2''-di-p-tolyl-dispiro[benzo[d][1,3]thiazine-4,4'-[1,3]dithiolane-5',4''-benzo[d][1,3]thiazine]
Synonyms:
CAS NO:19964-85-3
Molecular Formula:
Molecular Weight: 552.809
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: trans-2,2''-di-p-tolyl-dispiro[benzo[d][1,3]thiazine-4,4'-[1,3]dithiolane-5',4''-benzo[d][1,3]thiazine](CAS DataBase Reference)
NIST Chemistry Reference: trans-2,2''-di-p-tolyl-dispiro[benzo[d][1,3]thiazine-4,4'-[1,3]dithiolane-5',4''-benzo[d][1,3]thiazine](19964-85-3)
EPA Substance Registry System: trans-2,2''-di-p-tolyl-dispiro[benzo[d][1,3]thiazine-4,4'-[1,3]dithiolane-5',4''-benzo[d][1,3]thiazine](19964-85-3)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 19964-85-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 19964-85-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,6 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19964-85:
(7*1)+(6*9)+(5*9)+(4*6)+(3*4)+(2*8)+(1*5)=163
163 % 10 = 3
So 19964-85-3 is a valid CAS Registry Number.

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19964-85-3Downstream Products

19964-85-3Relevant academic research and scientific papers

Reaction of Diazoalkanes with 4H-3,1-Benzothiazine-4-thiones and Coumarin-2-thione

Latif, N.,Zeid, I.,Asaad, F.

, p. 432 - 434 (2007/10/02)

2-Phenyl-, 2-p-tolyl- and 2-p-anisyl-3,1-benzothiazine-4-thiones (Ia-c) react readily with diazomethane yielding the corresponding cis- (IIa-c) and trans- (IIIa-c) 1,3-dithioles.Coumarin-2-thione behaves in a similar manner.Diphenyl- and p,p'-dimethoxydiphenyl-diazomethanes as well as 9-diazofluorene react with Ia-c to give the episulphides.

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