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879999-21-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 879999-21-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,9,9,9 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 879999-21:
(8*8)+(7*7)+(6*9)+(5*9)+(4*9)+(3*9)+(2*2)+(1*1)=280
280 % 10 = 0
So 879999-21-0 is a valid CAS Registry Number.

879999-21-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name	[(3-ethoxycarbonyl-1-azaazulen-2-yl)imino]triphenylphosphorane

1.2 Other means of identification

Product number	-
Other names	ethyl 2-triphenylphosphoimino-1-azaazulene-3-carboxylate

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:879999-21-0 SDS

879999-21-0Upstream product

3336-70-7 ethyl 2-aminocycloheptapyrrole-3-carboxylate

603-35-0 triphenylphosphine

879999-21-0Downstream Products

1261941-33-6 C₃₂H₂₇N₅O₄

3336-70-7 ethyl 2-aminocycloheptapyrrole-3-carboxylate

1261941-30-3 bis[(3-ethoxycarbonyl-1-azaazulen-2-yl)amino]phenylmethane

1261941-31-4 C₃₂H₃₀N₄O₄

879999-21-0Relevant academic research and scientific papers

Reactions of 2-triphenylphosphoimino-1-azaazulenes with aryl isocyanates and aryl isothiocyanates

Nagamatsu, Kentaro,Serita, Ai,Zeng, Jun-Hau,Fujii, Hiroyuki,Abe, Noritaka,Kakehi, Akikazu

, p. 337 - 351 (2007/10/03)

Reaction of 2-triphenylphosphoimino-1-azaazulenes (4a-c), prepared from 2-amino-1-azaazulenes, with some aryl isocyanates gave 2-arylimino-3-aryl-2,3,4,4a-tetrahydro-1,3,4a-triazabenz[a]azulen-4-one (6) as major products. Reaction of aryl isothiocyanates

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