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1045345-88-7

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1045345-88-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1045345-88-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,5,3,4 and 5 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1045345-88:
(9*1)+(8*0)+(7*4)+(6*5)+(5*3)+(4*4)+(3*5)+(2*8)+(1*8)=137
137 % 10 = 7
So 1045345-88-7 is a valid CAS Registry Number.

1045345-88-7Downstream Products

1045345-88-7Relevant articles and documents

Propargylation of 1,3-dicarbonyl compounds catalyzed by 2,3-dichloro-5,6-dicyano-1,4-benzoquinone and sodium nitrite in the presence of molecular oxygen and formic acid

Cheng, Dongping,Zhou, Xiayi,Xu, Xiaoliang,Yan, Jizhong

, p. 52459 - 52463 (2016/06/13)

Catalyzed by 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) and sodium nitrite, the coupling reaction of 1,3-diarylpropynes and 1,3-dicarbonyl compounds using molecular oxygen as a terminal oxidant was developed. The reaction was promoted dramatically in

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