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33856-07-4

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33856-07-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33856-07-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,8,5 and 6 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 33856-07:
(7*3)+(6*3)+(5*8)+(4*5)+(3*6)+(2*0)+(1*7)=124
124 % 10 = 4
So 33856-07-4 is a valid CAS Registry Number.

33856-07-4Relevant articles and documents

A Facile One-Step Multi-Component Approach toward the Synthesis of 3-(2-Amino-4-Thiazolyl)Coumarins by using Trimethylsilyl Isothiocyanate and their Antioxidant and Anti-Inflammatory Activity

Ramagiri, Raj Kumar,Vedula, Rajeswar Rao,Thupurani, Murali Krishna

, p. 1393 - 1397 (2015)

A multi-component synthesis of 3-(2-amino-4-thiazolyl)coumarins has been reported from 3-(2-bromoacetyl)-2H-chromen-2-ones primary amines and using commercially available trimethylsilyl isothiocyanate. The structures of newly synthesized compounds were ch

PEG-600 mediated one-pot reaction of 3-acetyl-2: H -chromen-2-one with heterylthiols and phenylthioureas using tetrabutylammonium tribromide as an efficient green reagent

Srikrishna, Devulapally,Kumar Dubey, Pramod

, p. 5168 - 5175 (2017/07/11)

A simple method for the one-pot reaction of 3-acetyl-2H-chromen-2-one with different heterylthiols and phenylthioureas under green conditions using tetrabutylammonium tribromide (TBATB) as an efficient reagent has been described. 3-Acetyl-2H-chromen-2-one

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