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103661-68-3

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103661-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103661-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,6 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 103661-68:
(8*1)+(7*0)+(6*3)+(5*6)+(4*6)+(3*1)+(2*6)+(1*8)=103
103 % 10 = 3
So 103661-68-3 is a valid CAS Registry Number.

103661-68-3Relevant articles and documents

The Chemistry of Heteroarylphosphorus Compounds. Part 16. Unusual Substituent Effects on Selenium-77 Nuclear Magnetic Resonance Chemical Shifts of Heteroaryl- and Aryl-phosphine Selenides. X-ray Crystal Structure of Tri(2-furyl)phosphine Selenide

Allen, David W.,Nowell, I. W.,Taylor, Brian F.

, p. 2505 - 2508 (1985)

Crystals of PR3Se (R=2-furyl) are monoclinic, space group Cc, with a=11.720(6), b=12.527(9), c=8.569(5) Angstroem, and Z=4.The structure was solved using multisolution direct methods and refined by least squares to R 0.038 (R' 0.041) for 1030 observed dif

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