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90928-93-1

90928-93-1

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90928-93-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90928-93-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,2 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90928-93:
(7*9)+(6*0)+(5*9)+(4*2)+(3*8)+(2*9)+(1*3)=161
161 % 10 = 1
So 90928-93-1 is a valid CAS Registry Number.

90928-93-1Relevant articles and documents

SYNTHESIS AND STRUCTURE OF ARYL-SUBSTITUTED PHOSPHA-ALKENES

Knaap, Th.A. van der,Klebach, Th.C.,Visser, F.,Bickelhaupt, F.,Ros, P.,et al.

, p. 765 - 776 (2007/10/02)

An improved synthesis of the two triarylsubstituted phospha-alkenes mesityl (diphenylmethylene)phosphine (1a) and 2,6-dimethylphenyl(diphenylmethylene)phosphine (1b) described.Of several variants, the preferred route starts with the aryl bromides 4 which

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