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1292806-77-9

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1292806-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1292806-77-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,2,8,0 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1292806-77:
(9*1)+(8*2)+(7*9)+(6*2)+(5*8)+(4*0)+(3*6)+(2*7)+(1*7)=179
179 % 10 = 9
So 1292806-77-9 is a valid CAS Registry Number.

1292806-77-9Relevant articles and documents

Ti-catalyzed regioselective ring-opening alkynylation of epoxides with haloalkynes

Zhang, Di,Li, Hao,Yi, Dong,Tu, Shijing,Qi, Zhongyu,Wei, Siping,Fu, Qiang,Fu, Haiyan,Du, Xi

supporting information, (2021/11/01)

Ti-catalyzed ring-opening alkynylation of epoxides with haloalkynes has been achieved, allowing an efficient and regioselective entry to various propargylic alcohols in moderate to good yields. The developed protocol features extremely mild reaction conditions, broad substrate scope, varied functional group compatibility, and chemospecificity in the rearrangements of epoxides to aldehydes.

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