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149019-85-2

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149019-85-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149019-85-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,0,1 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 149019-85:
(8*1)+(7*4)+(6*9)+(5*0)+(4*1)+(3*9)+(2*8)+(1*5)=142
142 % 10 = 2
So 149019-85-2 is a valid CAS Registry Number.

149019-85-2Relevant articles and documents

Facile synthesis of substituted arylthioureas in the presence of sodium hydride

Cao, Qiang,Liu, Fang,Wang, Min,Xu, Wan,Zeng, Meng-Tian,Liu, Min,Li, Yue-Sheng,Dong, Zhi-Bing

, p. 301 - 303 (2017)

A series of 11 1,1-dimethyl-3-aryl-thioureas were synthesised in good yields (70-92%) by reacting arylamines with S-aryl-N,Ndimethylthiocarbamate in DMSO in the presence of NaH at 90 °C. It is noteworthy that this method can also be used for arylamines containing a halogen atom at the ortho position.

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