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277301-78-7

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277301-78-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 277301-78-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,7,3,0 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 277301-78:
(8*2)+(7*7)+(6*7)+(5*3)+(4*0)+(3*1)+(2*7)+(1*8)=147
147 % 10 = 7
So 277301-78-7 is a valid CAS Registry Number.

277301-78-7Downstream Products

277301-78-7Relevant articles and documents

Synthesis and physical properties of α,ω-bis[Co2(CO)6{μ-η2:η2-C(R)≡C}]oligothiophenes

Jung, Taeg Sung,Kim, Joo Hwan,Jang, Eun Kyung,Kim, Dong Hyun,Shim, Yoon-Bo,Park, Bongjin,Shin, Sung Chul

, p. 232 - 237 (2000)

α,ω-Bis[Co2(CO)6{μ-η 2:η2-C(R)≡C}]oligothiophene derivatives (6-10), in which two dicobalt hexacarbonyl acetylides are π-conjugated onto both terminals of the oligothiophene, were prepared by the reaction of the

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