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1309360-29-9

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1309360-29-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1309360-29-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,3,6 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1309360-29:
(9*1)+(8*3)+(7*0)+(6*9)+(5*3)+(4*6)+(3*0)+(2*2)+(1*9)=139
139 % 10 = 9
So 1309360-29-9 is a valid CAS Registry Number.

1309360-29-9Downstream Products

1309360-29-9Relevant articles and documents

Hafnium triflate as an efficient catalyst for direct Friedel-Crafts reactions of chromene hemiacetals

Wu, Yan-Chao,Li, Hui-Jing,Liu, Li,Demoulin, Nicolas,Liu, Zhe,Wang, Dong,Chen, Yong-Jun

, p. 907 - 912 (2011/06/19)

The direct Friedel-Crafts reaction of chromene hemiacetals with indoles, furans and sterically hindered anilines has been accomplished with high selectivity and excellent yields in the presence of a catalytic amount of hafnium triflate [Hf(OTf)4/sub

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