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19549-58-7

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19549-58-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19549-58-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,5,4 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19549-58:
(7*1)+(6*9)+(5*5)+(4*4)+(3*9)+(2*5)+(1*8)=147
147 % 10 = 7
So 19549-58-7 is a valid CAS Registry Number.

19549-58-7Upstream product

19549-58-7Downstream Products

19549-58-7Relevant articles and documents

The First Hydrides of a Phosphorus Sulfide Cage: Nuclear Magnetic Resonance Evidence for α-Tetraphosphorus Trisulfide Hydride Compounds

Tattershall, Bruce W.,Kendall, Nigel L.

, p. 3163 - 3168 (2007/10/02)

The hydrides α-P4S4(H)R (R = H, I, NMePh or SPh) have been prepared in solution by the reaction of α-P4S3I2 or of the corresponding α-P4S3(I)R with Sn-n-Bu3H, and identified by 31P NMR spectroscopy.The compounds were unstable and not isolated.Ab initio molecular orbital calculations of geometry have been carried out for α-P4S3H2, α-P4S3(NMe2)2 and α-P4S3H(NMe2).

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