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78489-25-5

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78489-25-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78489-25-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,8 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78489-25:
(7*7)+(6*8)+(5*4)+(4*8)+(3*9)+(2*2)+(1*5)=185
185 % 10 = 5
So 78489-25-5 is a valid CAS Registry Number.

78489-25-5Relevant articles and documents

SYNTHESIS OF N-PHENYLCARBAMATES OF α-ACETYLENIC ALCOHOLS AND THEIR INTRAMOLECULAR CYCLIZATION TO 4-ALKYLIDENE-2-OXAZOLIDINONES

Kruglikova, R.I.,Sotnichenko, T.V.,Shingareeva, A.G.,Unkovskii, B.V.

, p. 561 - 564 (2007/10/02)

The reaction of the bases 4-dialkylamino-2-butynols and 4-bromo-2-methyl-3-butyn-2-ol with phenyl isocyanate was investigated.It leads to the formation of the corresponding N-phenylcarbamates not capable of undergoing intramolecular cyclization to 4-dialk

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