21479-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21479-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,4,7 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21479-74:
(7*2)+(6*1)+(5*4)+(4*7)+(3*9)+(2*7)+(1*4)=113
113 % 10 = 3
So 21479-74-3 is a valid CAS Registry Number.
21479-74-3Relevant articles and documents
PREPARATION OF SI-H CONTAINING IODOSILANES VIA HALIDE EXCHANGE REACTION
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Paragraph 00119, (2017/12/15)
Methods of synthesizing Si-H containing iodosilanes, such as diidosilane or pentaiododisilane, using a halide exchange reaction are disclosed.