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13887-07-5

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13887-07-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13887-07-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,8,8 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 13887-07:
(7*1)+(6*3)+(5*8)+(4*8)+(3*7)+(2*0)+(1*7)=125
125 % 10 = 5
So 13887-07-5 is a valid CAS Registry Number.

13887-07-5Relevant articles and documents

A Simple, Inexpensive Synthesis of Dipotassium Cyclooctatetraenide, K2C8H8

Evans, William J.,Wink, Donald J.,Wayda, Andrea L.,Little, David A.

, p. 3925 - 3928 (1981)

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ZUR CHEMIE DES CYCLOOCTATETRAENYLDILITHIUMS. 9-(N,N-DIALKYLAMINO)-9-PHOSPHABICYCLONONA-2,4,7-TRIENE, 9-HALOGEN-9-PHOSPHABICYCLONONA-2,4,7-TRIENE UND DEREN NUCLEOPHILE SUBSTITUTION, 9-H-9-PHOSPHABICYCLONONA-2,4,7-TRIEN

Maerkl, G.,Alig, B.

, p. 1 - 30 (2007/10/02)

N,N-(Dialkylamino)-dichlorophosphanes react with cyclooctatetraenyldilithium to give the syn/anti-9-(N,N-dialkylamino)-9-phosphabicyclonona-2,4,7-trienes 5 (syn/anti ratio 100/0 to 54/46); syn-9-(N,N-Diethylamino)-9-phosphabicyclonona-2,4,7-

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