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1575623-74-3

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1575623-74-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1575623-74-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,5,6,2 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1575623-74:
(9*1)+(8*5)+(7*7)+(6*5)+(5*6)+(4*2)+(3*3)+(2*7)+(1*4)=193
193 % 10 = 3
So 1575623-74-3 is a valid CAS Registry Number.

1575623-74-3Downstream Products

1575623-74-3Relevant articles and documents

An atom-economic and odorless thia-Michael addition in a deep eutectic solvent

Azizi, Najmedin,Yadollahy, Zahra,Rahimzadeh-Oskooee, Amin

, p. 1722 - 1725 (2014)

The first 100% atom-efficient and odorless protocol for carbon-sulfur bond formation in a deep eutectic solvent (DES) as both the reaction medium and catalyst is reported. The biodegradable and inexpensive DES provides an efficient and convenient ionic reaction medium for the thia-Michael addition with in situ generation of S-alkylisothiouronium salts in place of thiols without the urea by-product segment. This protocol offers several advantages including short reaction times, high yields, clean reactions, and inexpensive and commercially available starting materials.

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