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109929-97-7

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109929-97-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109929-97-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,2 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109929-97:
(8*1)+(7*0)+(6*9)+(5*9)+(4*2)+(3*9)+(2*9)+(1*7)=167
167 % 10 = 7
So 109929-97-7 is a valid CAS Registry Number.

109929-97-7Downstream Products

109929-97-7Relevant articles and documents

The first synthesis of monoazaporphyrins bearing a nitrogen atom at the peripheral position

Kai, Shigeo,Suzuki, Mikio,Masaki, Yukio

, p. 4063 - 4066 (1998)

2-Aza-3,7,8,12,13,17,18-heptaalkylporphyrins were synthesized by use of improved '3+1' condensation under non-acidic conditions.

Synthesis and Crystal Structure of a Novel Tripyrrane-Containing Porphyrinogen-like Macrocycle

Sessler, Jonathan L.,Johnson, Martin R.,Lynch, Vincent

, p. 4394 - 4397 (1987)

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