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78657-16-6

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78657-16-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78657-16-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,5 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78657-16:
(7*7)+(6*8)+(5*6)+(4*5)+(3*7)+(2*1)+(1*6)=176
176 % 10 = 6
So 78657-16-6 is a valid CAS Registry Number.

78657-16-6Relevant articles and documents

Reduction of 1-(2-Hydroxy-3,5-di-t-butylphenyl)pyridinium Halides and Their Zwitterions. Formation of Di- and Tetra-hydropyridobenzoxazoles

Fukata, Gouki,Itoh, Takashi,Mataka, Shuntaro,Tashiro, Masashi

, p. 327 - 332 (2007/10/02)

Reduction of 1-(2-hydroxy-3,5-di-t-butylphenyl)pyridinium halides (1a-d) and/or their zwitterions (2a-d) with Raney Ni-Al alloy, Raney Ni (W2) and NaBH4 were investigated.When (1) was treated with Ni-Al alloy in a mixture of methanol and 30percent aqueous

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