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1303996-82-8

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1303996-82-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1303996-82-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,3,9,9 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1303996-82:
(9*1)+(8*3)+(7*0)+(6*3)+(5*9)+(4*9)+(3*6)+(2*8)+(1*2)=168
168 % 10 = 8
So 1303996-82-8 is a valid CAS Registry Number.

1303996-82-8Downstream Products

1303996-82-8Relevant articles and documents

Synthesis of 2-thio-substituted benzothiazoles via a domino condensation/S -arylation/heterocyclization process

Shi, Liu,Liu, Xiangqian,Zhang, Hui,Jiang, Yongwen,Ma, Dawei

experimental part, p. 4200 - 4204 (2011/07/31)

Condensation of carbon disulfide with thiols in the presence of K 2CO3 generates carbonotrithioate salts in situ, which undergo coupling with 2-iodoanilines and subsequent intramolecular condensation and elimination under assistance of CuBr to afford 2-thio-substituted benzothiazoles. Both aliphatic and aromatic thiols are compatible with this process, delivering the corresponding heterocycles with good diversity.

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