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288852-84-6

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288852-84-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 288852-84-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,8,8,5 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 288852-84:
(8*2)+(7*8)+(6*8)+(5*8)+(4*5)+(3*2)+(2*8)+(1*4)=206
206 % 10 = 6
So 288852-84-6 is a valid CAS Registry Number.

288852-84-6Relevant articles and documents

Metal-ion stabilization of photoinduced open colored isomer in crowned spirobenzothiapyran

Tanaka, Mutsuo,Kamada, Kenji,Ando, Hisanori,Kitagaki, Takashi,Shibutani, Yasuhiko,Yajima, Setsuko,Sakamoto, Hidefumi,Kimura, Keiichi

, p. 1453 - 1454 (1999)

A spirobenzothiapyran derivative bearing a monoaza-12-crown-4 moiety affords significant thermal stability enhancement in the UV light induced colored merocyanine form of its photochromic moiety by metal-ion complexation of its crown ether moiety, although the complexation hardly induces the isomerization without photoirradiation.

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